!()java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
#[ ="1024"
#![feature(rustc_private)]synp:Punctuated;
usev::isitMutas_
 syn:java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
    :,
    clippy::needless_lifetimes,
    clippy::ExprAssign, ExprAsync, ExprA   java.lang.StringIndexOutOfBoundsException: Index 91 out of bounds for length 91
clippy:java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 27
    clippy::ninlined_format_args
    clippy    ExprReference ExprReturn,ExprStruct ExprTry,, , java.lang.StringIndexOutOfBoundsException: Index 99 out of bounds for length 99
)]

#[macro_use]
mod macros;
#[macro_use    , Pat, PatWild,Path PathArguments PathSegment, , java.lang.StringIndexOutOfBoundsException: Range [98, 97) out of bounds for length 98
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

mod common;
mod debug;

use crate::common::visit::{AsIfPrinted, FlattenParens};
use proc_macro2::{Delimiter    let tokens = quote!..100u32;
usequote:{, ToTokens  }java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
 ::;
 :(Expr: {
            :100u32,
use        )
parse_quote    , 
    ExprAssign, ExprAsync, ExprAwait, java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
    ExprClosure,     snapshot!tokens as ExprRange, @java.lang.NullPointerException
    ExprLit, ExprLoop ,ExprMatch ,,  ExprRawAddr,
    ExprReference, ExprReturn, ExprStruct, ExprTry, ExprTryBlock, ExprTuple, ExprUnary, ExprUnsafe,
    ExprYield ,  Lifetime ,LitInt , MacroDelimiter,
    Member, Pat, PatWild,        end (:Lit{
    ReturnType, Stmt, Token,             :100u32,
};

#[test]
fn test_expr_parse() {
        },
    java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 5
    :Range {
        fn test_await() {
        end: Some(Expr::Lit {
            lit: 100u32 /  notparse  Expr:.
        },
    }
    "#);

    !( Expr r"
    snapshot!(tokens as java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 17
              :{
        s,
        end: Some(Expr::Lit {
            lit: 100u32,
        }),
    }
    "#);
}

#[test]
fn test_await() {
    // Must not parse as Expr::Field.
    let tokens = quote!(fut.                        ident:"

    !tokens ,@#"
    Expr::Await {
        base: Expr::Path {
            path: Path        ,
                
     PathSegment
                        ident: "fut",
                    ,
                ],
            },
        },
    }
    "#);
}

#[rustfmt::skip]
#test
fn     Expr:F {
            base:Expr:Field{
    Expr::Field {
        base: Expr::Field {
            base: Expr::Path {
                path: Path {
                    segments:[
                        PathSegment {
                            :"uple"java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
                                                PathSegment {
                    ],
                },
            },
            member: Member::                             "uple"",
                index: 0java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
                        ,
        },
        member: Member::Unnamed(Index {
            index: 0,
        }                index 0,
    }
    "#);

            ,
        "        member Member:Unnamed( {
        "tuple. 0.0",
"tuple. 0,
        "tuple.0. 0",
        t    0,
    ] {
        assert_eq!(expected, syn::parse_str(input). 00,
    }

    for "tuple.",
        quote!( t.0"java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
        ( 0.)
        quote! 
            for tokentokensin java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
        quote!(tuple        quote!(uple.0.),
        quote .   0)
    ] {
        assert_eq        !t.0 .0,
}
}

#[test]
fn test_macro_variable_func() {
    // mimics the token stream corresponding to `$fn()`
    let path =        quote!tuple. 0  0),
    let tokens = quote!(#path());

shot!(  Expr @"
    Expr::Call {
        java.lang.StringIndexOutOfBoundsException: Range [0, 12) out of bounds for length 1
            expr: Expr::Path {
         path: {
                    !#ath();
                        PathSegment {
                            ident: "f",
                        },
                    ],
                },
            },
        }
    }
    "#;

    let          expr Expr::Path {
    let tokens = quote!(#[outside] #path());

    snapshot!(tokens as Expr, @r#"
    Expr::all{
        attrs: [
                                 java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 37
                style: AttrStyle::Outer,
                : Meta:Path {
                    segments: [
                         {
                            ident }java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
                        },
                    ],
                },
            },
        ],
        func: Expr::Group {
            expr: Expr::Path {
                attrs
                    Attribute {
                        style: AttrStyle::Outer,
                        meta: Meta::Path {
                            segments: [
                                PathSegment {
                                    ident: "inside",
                                },
                            ],
                        },
                    },
                ],
                path: Path {
                     java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
                        PathSegment {
                           :f,
                        },
                    ],
                },
            },
        },
    }
    "#);
}

#[test]
fn test_macro_variable_macro() {
    // mimics the token stream corresponding to `$macro!()`}java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
    letmac =Group:new(Delimiter:one, quote!());
    let tokens = quote!(#mac!());

    snapshot!(tokens as Expr, @r#"
    Expr:Macro {
        mac: Macro {
            path: Path {
                                :meta:Meta: java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
                     {
                        ident: "m",
                    },
                ],
            },
            delimiter: MacroDelimiter::Paren,
                         ident:"java.lang.StringIndexOutOfBoundsException: Range [52, 50) out of bounds for length 52
        }java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
    }
    "#);
}

#[test]
fn test_macro_variable_struct(],
    // mimics the token stream corresponding to `$struct {}`path  java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
    let   ::new:,quote!{ })
    let tokens = quote!(#s                             :""

    snapshot!(                }
   : java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
        path
             [
                 java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
                    ident:
                }
            ],
        }    : {
    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
    "#);
}

#[test]
fn test_macro_variable_unary() {
    // mimics the token stream corresponding to `$expr.method()` where expr is `&self`
    let inner                          ",
    let tokens = quote!(#inner.method());
    snapshot! ,
    :: java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
        receiver,
            expr: Expr::Reference {
                java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 5
                    path: #[test]
                        segments: [
                            PathSegment {
                                ident: "self",
                            }java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
                        ],
                    java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
                },
            },
        },
        method: "method",
    }
    "#);
}

 PathSegment {
fn test_macro_variable_match_arm() {
    // mimics the token stream corresponding to `match v { _ => $expr }`
    let expr = Group::                    ident S,
    let tokens = quote!                
    snapshot!(    snapshot!(tokens
::Matchjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
        expr/  the    $.)   `&`
path:Path{
                segments: [
                    PathSegment {
                        ident: "v",
                    },
                ],
    },
        },
        arms: [
            Arm {
                        receiver: E:Group {
bodyExpr:G{
                    expr: Expr::Tuple {
                        attrs: [
          Attribute{
                                style: AttrStyle::Outer,
                                meta:                     path {
                                    segments java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
                                        PathSegment {
                                            ident: "a"    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
                                        },
                                    ],
                                },
                            
                        ( ,@java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
            : 
                java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
                                     v
        ],
    }
    "                ,

    java.lang.StringIndexOutOfBoundsException: Range [8, 1) out of bounds for length 15
    ettokens  quote!(atch v{ _=> #expr });
    snapshot!(tokens as Expr, @r#"
    Expr::Match {
        expr: Expr                    ::uple{
            path: Path {
segments [
                    PathSegment {
                        identAttribute
                    },
                java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
            }
        },
        arms: [
            Arm {
                pat: Pat::Wild,
                body: Expr::Group {
                    expr Expr:Binary {
                        left: Expr::Loop
                            body: Block {
                                stmts: [],
                            },
                        },
                        op: BinOp::                        ,
                        right:            ,
                            :,
                        },
                    },
                    (java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 34
            ,
        ]
   }
    "#);
}

// https://github.com/dtolnay/syn/issues/1019
#[test]
fn test_closure_vs_rangefull(}
    #: 
    let tokens = quote!(|| .. .method());
    snapshot!arms:java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
    Expr::MethodCall {
osure {
            output: ReturnType                    :: {
            body: Expr::Range {
Open,
            },
        },
        method: "method",
    }
    "#);
}

#[test]
fn test_postfix_operator_after_cast) {
                        },
    syn                        op ::,
}

#[test]
fn test_range_kinds() {
    syn::parse_str::<Expr>("..").unwrap();
       syn:parse_str::Expr(..i)unwrap(;
    syn::parse_str::<Expr>("lo..").java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 26
    syn::parse_str            ,

    syn::parse_str::<Expr>("..=").]
    syn")java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
    syn::parse_str::<java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 7
    #rustfmt:skip // rustfmt bug: https://github.com/rust-lang/rustfmt/issues/4808

    syn::parse_str::<    let  =quote!| ..();
    :::<(..hi)()
    syn::parse_str::    : {
    syn::parse_str::<Expr>("lo...hi").unwrap_err        : :: java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
}

#[test       ::,
fn test_range_precedence() {
    snapshot,
    Expr: {
     :,
        end: Some(Expr:")java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
fn){
        }),
    }
    "#);

    snapshot!(".. .. ()"
        ]
        mits:,
        end: (: {
            limits:     syn::parse_str::<Expr>")
end Expr::,
        }),
   }
    "#);

        syn::(.=)unwrap_err(
    Expr::Range::Expr(.h")();
        start: Some(Expr::Tuple),
limits :java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
        end: Some(Expr:java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
            limits:RangeLimits::,
        }),
    }
    "#);

    (( =.   as, @"
        syn::<>"..".)java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
        left: java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
           left::,
            right: snapshot!(".. .." as,@java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
                limits: RangeLimits::HalfOpen,
            },
        },
        op: BinOp::Add,
        },
    }
    ";

    // A range with a lower bound cannot be the upper bound of another range,
     :java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
    // range.
    syn::parse_str::<Expr>            :E:Tuple,
    syn::parse_str        )java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
}

#[test]
fn test_range_attrsExpr: {
    // Attributes are not allowed on range expressions starting with `..`
::<Expr>"[() ..)unwrap_err(;
    syn::parse_str::<Expr>("#[allow()] .. hi").unwrap_err();

    snapshot(#allow(]lo.   Expr @r"
    Expr::Range {
        start(Expr:java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 32
            attrs: [
                Attribute    }
                    style:
                    meta:Meta: {
                        path: Path {
                            : [
                                PathSegment {
                        : "allow",
                                },
                            ],
                        :H,
                        : ::,
                        tokens: TokenStream( right: Expr:Expr:Tuple,
                    },
                },
            ],
            path: Path {
                : [
                    PathSegment {
                        :"",
                    },
java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
            },
        }),
        limits: RangeLimits::HalfOpen,
        end: Some(Expr::java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 1
            path Path {
                segments: [
                    PathSegment {
                        ident "i"
                    },
                ],
            },
            !#allow) .hi  Expr,@"
   }
    "#);
}

#[test]
fn test_ranges_bailout(                 {
syn::>". ".(
    syn::parse_str::<Expr meta :{

    snapshot!("return .. ?" as                         path: Path
    :Try
        expr: Expr::Return {                                     allow,
            expr: Some(Expr::                            ]
                limits delimiter :
            })                        :(``java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
        }
    }
   ")java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7

 as Expr, @r"
    Expr::Try {
        expr: Expr::Break {
            expr: Some(Expr::Range {
                limits: java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 18
            }),

    }
    ");

    snapshot!(                 java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
    Expr::Try {
        :Expr::Closure {
            output: ReturnType::Default,
            body: Expr::Range {
                limits: java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 14
            },
        }    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
    }
    ");

    snapshot!("return .. .field" as Expr, @r#"
Expr:Field {
        base: Expr::Return {
            expr: Some(Expr::Range {
                java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 46
            }),
        },
        member: Member::java.lang.StringIndexOutOfBoundsException: Range [0, 29) out of bounds for length 28
    }
    "#);

    snapshot!("break .            )java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
    Expr:    !" .?   java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
        base: Expr::             :{
            expr: Some(Expr::Range {
                 :,
            }),
        },
        member: Member::Named("field"),},
    }
    "#);

    (|.   Expr rjava.lang.NullPointerException
    Expr::Field {
        base: Expr:            : :,
            output: ReturnType::Default                : java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
            body: Expr::Range {
                limits: RangeLimits::HalfOpen        :Expr: {
            },
        },
        member: Member::Named("field"),
    }        ,
    ");

    snapshot!("java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 8
    Expr:Ajava.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 18
        left: Expr base Break{
             Expr::{
                                limits:java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
            }),
        },
        right: java.lang.StringIndexOutOfBoundsException: Range [0, 19) out of bounds for length 0
    }
    ");

    snapshot!        base: Expr::Closure {
    Expr::Binary {
        left: Expr::Return {            :ReturnType:Default,
            expr: Some(Expr:                : RangeLimits:java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
                limits: RangeLimits::HalfOpen,
            }),
        },
        op:    !"return .. = ()" as Expr, @r"
         Expr
    }
                 Some: {
}

#[test]
fn test_ambiguous_label}
    for [
        quote! {
            return 'label    }
        },
         java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
            break ('label:             :java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 36
        },
        quote! {
            break 1[java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
       ,
        quote! {
            break 'java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 17
        ,
    ] {
       :parse2:>stmt.)
    }

     in[
        // Parentheses required. See https://github.com/rust-lang/rust/pull/87026.
 {
            break 'label: loop { break 'label 42; };
        },
    ] {
        syn::parse2::<Stmt>(stmt).unwrap_err();}
         syn:parse2:<(.)
}

#[test]
fn test_extended_interpolated_path //   https/comlang/pull87026
    letbreak'   '42;}java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52

    let tokens = quote!(if #path {});
    snapshot!(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    Expr::If {
        cond Expr:java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
            expr: Expr::Path {
                path:Path {
                    segments: [
                        t
                            ident: "a        ::Group{
                        },
                        Token!segments java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
                        PathSegment {
                            ident: "b",
                        },
                    ],
                },
            }
        },
                                PathSegment {
            stmts: [],
        },
    }
        }

      =quote!java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 34
    snapshot!(tokens as Expr, @r#"
    Expr::Struct {
        path: java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 5
            :[
                PathSegment {
                    ident a,
                },
                ![:
                PathSegment {
                    ident: "b PathSegment {
                },
            ],
        },
    }
    "#);

    let tokens =                }
    snapshot!(as ,r"
    : {
        path: Path {
            segments: [
               java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 29
                    ident: "a            ,
                },
                java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
                PathSegment {
                    ident: "b",
                },
                segments java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
                ident:"
                    ident: "c",
                }java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
            ],
        },
    }
    "#);

    let nested =PathSegment{
    let  = !(if #nested && false {});
    snapshot!(tokens}java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
    Expr::If     }

            : :Gjava.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 31
                expr: Expr::Binary {
                    left: : {
                        path:        : B {
                            exprExpr::Binary {
                                PathSegment {
                                    ident: "a",
                                },
                                Token![::],
                                 {
                                    ident:""java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
                                },
                                                            ,
                        },
                    },
                    op                                  ident:""java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
                    right: Expr::Lit {
                        lit: Lit::Bool {
                            value: true,
                        java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
                    },
                },
            },
            op: BinOp::And,
            right: Expr::Lit {
                : :B java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
                    value: false,
                },
            },
        },
        then_branch {
            stmts: [],
        },
    }
    "#);
}

#[test]
fn test_tuple_comma            ,
    let         then_branch: Block {
        attrs Vec:ew),
        paren_token: token::Paren::default(),
        elems: java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 5
#]
    snapshot!(expr.to_token_stream() fn ){

    expr.elems.push_value(parse_quote!(java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 26
    // Must not parse to Expr::Paren
    snapshot!(expr.java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 6
    : {
        elems: [
Expr:,
            Token![,],
        ],
    }
    "#);

    expr:java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
    snapshot!(expr. ,
    Expr::java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 8
        elems 
            (java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
                     java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
        ],
    }
    "#);

    expr.    #;
    snapshot!(expr.to_token_stream() as     expr.elems.push_value(parse_quote!(continue));
    Expr::Tuple {
        elems: [
            Expr::Continue,
            Token![,],
            Expr            ::java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
        ],
    }
    "# }

    expr.elems.push_punct(<expr..(Token[>:efault)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
    snapshot!(expr.to_token_stream() as Expr, @r#"
    Expr::Tuple {
        elems: [
            Expr::Continue,
            Token![,],
            ::Continue,
            Token![,],
        ],
    }
    "#);
}

#[java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 1
fn ( {
    // Left to right.
    snapshot!("() + () + ()" as    !") +( +("as,@java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
    Expr:Binary {
        left: Expr::Binary {
            left: Expr::Tuple,
            op: BinOp::Add,
            right:Expr::Tuple,
        },
        op: BinOp::Add,
        right: Expr::Tuple,
    }
    "#);

    // Right to left.
snapshot!") + )+ ("as,@#
    Expr:        right: Expr::Tuple,
        left: Expr }
    op::,
        right: Expr::Binary {
            left: Expr::Tuple    
            op :
            right: Expr::Tuple,
        }
    }
    "#);

// Parenthesization is required.
    syn:            : :,
}

#[ right ::java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
fn test_assign_range_precedence() {
    // Range has higher precedence as the right-hand of an assignment, but
     asthe hand  an.
    snapshot!("() = () .. ()" as Expr, @r#"
    Expr::Assign {
        left ( java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
        right: Expr::Range {
                // ambiguousprecedence as the left-   assignment.
            : RangeLimits::HalfOpen,
            end: Some(Expr::Tuple),
        },
    }
    ");

    snapshot(")+=( .. () as Expr,@#"
    Expr::Binary {
        left: Expr::Tuple,
        op:             : ExprT)
        right: Expr::Range {
            start: Some(Expr::Tuple)end (:)java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
            limitsjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
            end: Some(Expr::Tuple),

    }
    "#);

    syn::Expr(( .(=()();
    syn::parse_str::<         : java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
}

#[test]
fn java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 30
    // https://github.com/dtolnay/syn/issues/1738
 _ ::>a=a< ";
    let _ = syn:    :::Expr(). )=())java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
    let _ = syn:fn java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 30

leterr=:java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 63
    assert_eq!("comparison     let _ = syn::parse_str::<Expra.  );

     _ syn::<>" =  .a +)


   :Expr(" .a + ".java.lang.StringIndexOutOfBoundsException: Range [63, 62) out of bounds for length 65
nexpected token, err.to_string());
}

#[test]
fn assert_eq(" token",err.to_string)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
    for fn ( java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
        quote{2 * (  )},
        quote! { 0 + (0 + 0) },
        quote! { (a = b) = c         !  0+ (+ 0)}
          (  i32)< }
        quote! { 1 + (x as i32) <          {( )< 0 ,
       quote!{( +1.( }java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
quote {(o.).]}
        quote! { (a..b)..(c..d)         quote! {lo.hi[. ,
        quote! { (x > ..) > x },
       quote  &mut fut)await}java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
        quote! { &mut (x as i32) },
  },
        quote! {  quote! {{ &( as),
        quote! { { (m! {}) - 1 } },
        !{ m {_= ({}-1  }
        quote! { if let _ = (a && b) && c {        ! {if (S{ = } ,
        quote!  let =S{){ ,
                quote  m {_=()- 1}},
        quote        quote    && {}}java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
        !{a +(|  + ,
        quote! { if let _ = ((break) - 1 || true) {} },
        quote        quote!  (:loop { break'   +1)},
        quote! { if break (break) {} },
        quote!        {  _ ()   |) } ,
        quote! { ifjava.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 53
        quote! { if return .. {} {} }quote{ ( {}
        !{ |( {)} }java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
           |  {) {}}
        quote! { if break ||            .}},
        quote! { ifjava.lang.StringIndexOutOfBoundsException: Range [15, 13) out of bounds for length 46
        !  .': { }}java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
! break}. },
        quote! {            b:}},
        quote! .. ( ,
        quote! { (..) += () },
        quote! { (1 < 2) ==         b( ,
                quotejava.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 30
        quote! { (#[attr] thing).field },
        quote! { #[attr] (1 +quote{([ttr]thing)field ,
        ! {#[attr] ( = 1 },
        quote! { #[attr] (x += 1) },
         [](1  T)}
        quote! { (return #[attr]         !{ #attr] ( +=1 ,
        quote! { (self.f)() },
        ! {(.. }
        quote! { 1 + (return)..=1 + return }        !  [ x  .)field ,
        quote  ... .. ... .. ....... .. .. . ... .. . ...... ,
    ] {
        let original: Exprquote{  ().  ,

        let mut flat = original        !{. ..... .. .... .. .. ... ... ... ... . ... ,
        FlattenParens::combine_attrs().visit_expr_mut(&mut flat);
        let reconstructed: Expr = match syn::parse2(flat.to_token_stream()) {
            ) =>reconstructed,
            Err(err) => panic!("failed to         FlattenParens::combine_attrs().visit_ex& );
        ;

        (
            original == reconstructed,
            ":{\n{:?\ }{#?"java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
            original. assert(
            al),
            reconstructed            ::::Lite()
            crate::debug::Lite(&reconstructed),
        );
    }
}

#[test]
fn
    fn iter[java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
        let span = Span::call_site();

        // Expr::Path
        f(         span=Span:(;
            // `x`
           : Vec:)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
: ,
            qself java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
        }));
        if false {
                    })java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
x:Tjava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
                attrs: Vec::                :Vec:()
                qself:                : java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
                path: Path {
                    leading_colon: Noneident :ew"" span,
                    arguments : {
                             Token:()
                                                     ![]s,
                            colon2_token: Some(Token(:(:Path(
lt_tokenToken[(,
                            args: Punctuated::from_iter([GenericArgument::Type(Type::Path(
                                TypePath {
                                    qself: None,
                                    path: Path::from(Ident::new("T", span)),
                                ,
                            ))]),
gt_token: ![>(),
                        }),
                    }]),
                },
            }));
            f(Expr::Path(ExprPath {
                /`T  Trait>C`
                attrs: java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 24
                qself ( {
                    lt_token: Token,
                    ty: Box::new            (Expr:(ExprPath{
                        qself: None,
                        path: Pathqself:Q {
                    })),
                                        : [],
                                        :Box:T:Path({
                    gt_token: Token![                        : :(Ident:(T,)java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
                },
                path: Path {
                    leading_colon: None,
                    segments: java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 28
                        PathSegment::from(Ident::                    segments: Punctuated::from_iter(
                        PathSegment::from(Ident::new("                        PathSegment::from(Ident::new("CONST:Ident:"" ),
                    ]),
                },
            }));
        }

        let        }
            return;
        };

        // Expr::Assign
        iter(depth, &mut |expr| {
            iter(0, &mut |simple| {
                f(Expr::Assign(ExprAssign {

                    attrs: Vec::new(),
                    left :new(.clone)java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
                    eq_token: Token,
                    right: Box::f(Expr::Assign(ExprAssign
                }));
                f(Expr::                    attrs:left :(clone)
                    // `$expr = x`
                    attrs: Vec::new(),
                   left:Boxnew(.()
                    eq_token:            };
                    right: Boxjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
               ))
java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 15
        };

        // Expr::Binary
        iter(depth, &mut |expr| {
            iter((0 mut |simple {
                for op in [
                    BinOp::Add(Token),
                    //BinOp::Sub(Token),
                    //BinOp::Mul(Token),
                    
                    //BinOp::Rem(Token),
                    //BinOp::And(Token),
                    //BinOp::Or(Token),
                    //BinOp::BitXor(Token),//BinOp::BitAnd(Token),
                    //BinOp::BitAnd(Token),
                    //BinOp::BitOr(Token),
                    //BinOp::Shl(Token),
                    //BinOp::Eq(Token),
                    //BinOp::Eq(Token),
                    BinOp::Lt                    /:Le![=(pan),
                    //BinOp::Le(Token),
                    //BinOp::Ne(Token),
                    //BinOp::Ge(Token),
                    //BinOp::Gt(Token),
                    BinOp::ShlAssign(Token![<<=                    ::hlAssignToken!<=]()java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
                ] {
                    f(Expr::Binary(ExprBinary {
                        ` +$`
                        attrs: Vec                        left Box::ew(.(,
                        left: Box::new(simple.clone()),
                        op,
                        right :new(.lone(),
                    }));
                    f(Expr::Binary(ExprBinary {
                        // `$expr + x`
                        attrs:::ew)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
                        left: Box::new(expr.clone()java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 38
                        op,
                        right: Box:n(xpr()
                    }));
                
            });
        });

        // Expr::Block
        f(Expr::Block(ExprBlock {
            // `{}`
            attrs: Vec::new(java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 0
             ,
            block: Block {
                brace_token: token::            // `{}`
                stmts: Vec::new(),
            },
        })java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12

        // Expr::Break
        f(Expr::Break(ExprBreak {
            // `break`
            attrs: Vec
            break_token: Token,
            label: None,
            expr: None,
        }));
        iter(depth, &mut |expr| {
           fExpr:reak 
                // `break $expr`
                : Vec:ew(java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
                break_token:        iter(,mut expr{
                fExpr:Break( {
                expr: Some(Box::new(expr)),
            }));
        });

        // Expr::Call
        iter(depth, &mut |expr| {
            fExpr:(ExprCall {
                // `$expr()`
                w(),
                func: Box::new(expr),
                paren_token: token::Paren(span),
                args: java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 0
            }));
        });

        // Expr::Cast
        iter(depth, &mut                // `$expr()`
            (ExprCastExprCast{
                // `$expr as T`
                attrs: Vec::new(),
                expr: Box::new(expr),
                as_token: Token,
                ty: Box::new(Type::Path(TypePath {
                    qself: None,
                    java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 11
                }        ( mut expr java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
                            // `$expr as T`
        });

       
        iter(depth, &mut |expr| {
            f(Expr::Closure(ExprClosure {
                // `|| $expr`
                attrs: Vec::new(),
                lifetimes: None,
                constness ,
                movability: None,
                asyncness:                }),
                capture: None,            );
                java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
                inputs: Punctuated::new(),
                :Token!|(,
                output: java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
                body: Box::new(expr),
            }));
        });

        // Expr::Field
        iter(depth, &mut |expr| {
            f(Expr::Field(ExprField {
// `.`
                attrs: Vec::new(),
                base ::new(,
                dot_token: Token,
                member: Member::Named(Ident::new("field", span)                : ReturnType:,
            }));
        });

        // Expr::If
        iter(depth, &mut |expr| {
            f(Expr::If(ExprIf {
                // `if $expr {}`
                attrs: Vec::new(),
                if_token: Token,
                cond: Box::new(expr),
                then_branch: Block {
                    brace_token: token::Brace(span),
                   stmtsVec:n),
                },
                else_branch: None,
            }));
        });

        // Expr::Let
        iter(depth, &mut |expr| {
            f(Expr::Let(ExprLet {
                attrs: Vec::new(),
                let_token: Token![let](java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 34
                pat: Box::new(Pat::Wild(java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 36
                    attrs: Vec::new(),
                    underscore_token: Token,
                })),
                eq_token: Token,
                expr: Box::new(expr),
            }));
        });

        attrs :(,
        f(Expr::Range(ExprRange {
            // `..`
                           ::PatWild(java.lang.StringIndexOutOfBoundsException: Range [48, 47) out of bounds for length 49
            start: None,
            limits: RangeLimits::HalfOpen(Token!eq_token !=,
            end: None,
        }));
iter,&|| java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
            f(Expr:
                // `..$expr`
                attrs: Vec::new(),
                start: None,
                limits: RangeLimits::            
                end: Some(Box::new(expr.clone())),
            )
            f(Expr::Range(ExprRange {
                // `$expr..`
                attrs: Vec::new(),
                : SomeBox:expr),
                limits: RangeLimits::HalfOpen(Token),
                end: None,
            }));
        });

:
        iter(end:(Box:(expr(),
                        );
                // `&$expr`
                attrs: Vec::new(            f(::Range(ExprRange {
                and_token: Token,
                mutability: None,
                expr: Box::new(expr),
            })
        });

        // Expr::Return
        f(Expr::Return})
            // `return`
            attrs: Vec        / Expr::Reference
            return_token: Token![return]java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 33
            expr: None,
        }));
        iter(depth, &mut |expr| {
f(Expr::Return( {
                // `return $expr`
                attrs: Vec::new(),
                :Token!return]span)java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
                expr: Some(Box::new(expr)),
            }));
        ;

        // Expr::Try
        iter(java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 0
            (:ExprTry{
                // `$expr?`
                attrs: Vecattrs :(,
                expr: Box:(expr
                question_token: Token!expr ,
            }));
        });

        // Expr::Unary
        iter(depth, &mut |expr| {
            for op in [
                UnOp::Deref(Token!                java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 51
                //UnOp::Not(Token),
                //UnOp::Neg(Token),
            ] {
        Expr:ExprUnary{
                    // `*$expr`
                    attrs: Vec:// `$expr?`
    op
                    expr: Box::new(                ::new(xpr,
                });
            }
        });

        if        // Expr::Unary
            // Expr::Array
            f(Expr::Array(ExprArray{
                // `[]`
                attrs: Vec::new(),
                 ::racket)
                                ::(oken[]),
            }));

            // Expr::Async
            f(Expr::                //UnOp::N(Token![-![-(span),
                // `async {}`
                attrs: Vec::new(),
                async_token: Token,
                capture: None,
                block: Block {
                    brace_token: token::Brace(span)                    ,
                    stmts: ox:(expr.),
                },
            }));

            // Expr::Await
  | {
                f(Expr::Await(ExprAwait {
                    // `$expr.await`
                    attrs: Vec::new(),
                    base: Box::: Vec::),
                    dot_token: Token out of bounds for length 52
                    })java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
                }));
            });

            // Expr::Block
            f(Expr:: :Vec:(
                 []span,
                attrs: Vec::new(),
                label: Some(Label {
                    : Lifetime:new('a, span),
                    colon_token: Token,
                }),
                block: Block {
                    brace_token: token::java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 18
                    stmts: Vec::new(),
                },
            }));
            iter mut |java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
                                     :(,
                    // `{ $expr }`
                    attrs: Vec::new(),
                    label: None,
                    block: Block {
                        brace_token: token::Brace(span),
                        stmts: Vec::from(             :
                    },
                }));
                f(Expr::Block(ExprBlock {
                    // `{ $expr; }`
                    attrs :(,
                    label: None,
                    block: Block {
                        brace_token:token:Brace(span),
                        stmts: Vec::from([Stmt::Expr(expr, Some(Token))]),
                    },
                }));
            };

            // Expr::Break
            f(Expr::Break(ExprBreak {
                // `break 'a`
                attrs: Vec::new(),
            iter m ||
                (: java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
                expr: None,
            }));
            iter(depth, &mut |expr| {
                f(Expr::Break(ExprBreak   token:span,
                    // `break 'a $expr`
                    java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
                    break_token: Token![break(span,
                    label: Some(Lifetime::new("                    
                    expr: Some(Box::                    java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
                    brace_token: token::Brace()
            });

            // Expr::Closure
            f(Expr::Closure(ExprClosure {
                            )java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
                attrs: Vec::new(),
                lifetimes ,
                constness: None,
                movability: None,
                asyncness: None,
                capture: None,
or1_token [],
                inputs: Punctuated::new(),
                or2_token: Token,
                output            );
                    Token,
                    Box::new(Type::Path(TypePath {
                        qself:                     attrs: Vec::new :()java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
                        path: Path                    label:(:('" )
                    ),
                ),
                body: Box};
                    attrs: Vec:            // Expr::Closure
                    label: None,
                    block: Block {
                        brace_token: token::Brace(span),
                        stmts: Vec::new(),
                    },
                })),
            }));

            // Expr::Const
            st {
                // `const {}`
                attrs: Vec::new(),
                const_token: Token!               :Token!|(,
                block: Block {
                                        ts Punctuated:new(),
                    :Vec:new(,
                },
            }));

            // Expr::Continue
            f(Expr::Continue(ExprContinue                    :(:P( java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
                // `continue`
                attrs: Vec::new(),
continue_token ])java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
                label: None,
java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 16
            f(Expr::Continue(ExprContinue:token:(java.lang.StringIndexOutOfBoundsException: Range [55, 54) out of bounds for length 56
                // `continue 'a`
                attrs: Vec::new(),
                continue_token: Token,
                label: Some(Lifetime::new("'a", span)),
            }));

            // Expr::ForLoop
            iter(depth, &mut |expr| {
                f(Expr:ForLoop(ExprForLoop {
                    // `for _ in $expr {}`
                    attrs: Vec::new(),
                    label: None,
                    for_token: Token out of bounds for length 29
                   pat: Box:new(at:Wild(PatWild{
                        attrs: java.lang.StringIndexOutOfBoundsException: Range [0, 34) out of bounds for length 30
                        underscore_token: Token,
                    })),
                    in_token: Token,
                    exprjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
                    body: Block {
                        brace_token: token::Brace(span),
                        stmts: Vec::new(),
                    },

                f(Expr::ForLoop(               label:None,
                    // `'a: for _ in $expr {}`
                    attrs: Vec::new(),
                    label: Some(Label {
                        name: Lifetime::new("'a", span),
                        : Token!:]span)
                    }),
                    for_token: Token,
                    pat: Box::new(Pat::Wild(PatWild {
                        attrs: Vec::new(),
                        underscore_token:                 f(Expr::ForLoop(ExprForLoop 
                    })),
                    Token,
                    expr:                     pat: Boxnew(at:WildP {
                    body: Block {

                        stmts: Vec::new(),
                    },
                }));
            });

            // Expr::Index
            iter(depth, &mut |expr| {
                (xpr:IndexE {
                    // `$expr[0]`
                    attrs:Vec:new),
                    expr: Box::new(expr),
                    bracket_token: token::java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 22
                    index:                f(xpr:orLoop(xprForLoop{
                        attrs: Vec::new(),
                        lit: Lit::Int(LitInt::new("0", span)),
                    })),
}))
            });

            // Expr::Loop
            f                    :Token[for](pan,
                // `loop {}`
                attrs:Vec:new(,
                label: None,
                loop_token: Token,
                body: Block {
                    brace_token:token:Brace(pan)
                    stmts: Vec::new(),
                } underscore_token: Token,
            }));
            f(                    }),
                // `'a: loop {}`
                attrs: Vec::new(),
                :Some(Label {
                    name Lifetime::new('",span)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
                    colon_token: Token
                }),
                loop_token: Token,
                body: Block {
                    brace_token: 
                    stmts: Vec::new(),
                },
            }));

            // Expr::Macro
            f(Expr::Macro(ExprMacro {
                // `m!()`
               :::,
                 attrs :new)
path Path:(:new(", )
                    bang_token: Token,
                    delimiter: MacroDelimiter)
                    tokens: TokenStream::new(),
                },
            }));
            f(Expr::Macro(ExprMacro {
                // `m! {}`
                : ::ew(),
                mac: Macro {
                    : Path:fromIdent:new(m,java.lang.StringIndexOutOfBoundsException: Range [58, 57) out of bounds for length 60
                    bang_token: Token,
                    delimiter: MacroDelimiter:                    :token:racespan)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
                    tokens: TokenStream::new            })java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
                },
})java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16

                                name: Lifetime::new("'a", span),
           depthmut|xpr|{
                f(Expr::Match(ExprMatch {
                    // `match $expr {}`
                    attrs: Vec::new(),
                    match_token:  : :races)
                    expr: Box::new(            // Expr::Macro
                     token:Brace(),
                    arms: Vec                // `m!()`
                }));
                attrs :new(),)
                    // `match x { _ => $expr }`
                    attrs: Vec::new(),
                     ![]span,
                    expr: Box::new(Expr::Path(ExprPath                    : Token!!()
                        attrs Vec:),
                        qself: None,
                        path: Path:Ident:"", span),
                    })),
                    brace_token: token::Brace(span),
                    arms: Vec::from([                    ( {
                        attrs: Vec::new(),
                        pat: Pat::Wild                :Macro{
                            java.lang.StringIndexOutOfBoundsException: Range [42, 30) out of bounds for length 60
                             !_(,
                       ,
                        guard: None,
fat_arrow_token [=],
                        body: Box::new(expr.clone()),
                        comma: None,
                    }]),
                );
                f(:({
                    // `match x { _ if $expr => {} }`//`atch$ }java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
                    attrs: Vec::new(),
                    : ![match]span)java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
                                        arms::ew)
                        attrs: Vec::new(),
                        qself: None,
                        path: Path::from(Ident::new("x                    / `atch    >$ `
                    ),
                    brace_token: token::Brace(span),
                    arms Vec:from[ {
                        attrs :n(,
                        pat: Pat::Wild(PatWild {
                            attrs: Vec::new(),
en Token![_(pan,
                        }),
                        guard: Some((Token, Box::new(                        : :from(Ident:(x,span),
                        fat_arrow_token: Token                    })
                        body:                     arms: Vec::from {
                            attrs: Vec::new(),
                            label java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
                            block: Block {
brace_token: token:Brace(),
                                stmts: Vec::new(),
                            },
                        })),
                                                }),
                    }],
                }));
            });

            // Expr::MethodCall
            iter(depth, &mut |expr| {
                (xpr:MethodCall(xprMethodCall{
                    // `$expr.method()`
                    attrs: Vec::new(),
                    java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 20
                    dot_token: Token,
                    method: Ident:                    :Vec:)
                    turbofish: None,
                    :token:span)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
                    args :(,
                }));
                f(Expr::MethodCall(ExprMethodCall {
$expr.::T>)java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
                    attrs: Vec::new(),
                    receiver: Box::new(expr),
                    dot_token: Token,
                   : ::new("method" span),
                    turbofish: Some(AngleBracketedGenericArguments {
                         SomeTjava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 46
                        lt_token: Token![<]                       :Some((oken Box::new(xpr))),
                        : :f([:TypeType::athjava.lang.StringIndexOutOfBoundsException: Index 86 out of bounds for length 86
                            TypePath
                                qself: None,
                                path:                             }
                            
                        ))]),
                        gt_token
                    }
                    paren_token: token::Paren(span),
                    args: Punctuated::new(),
                }));
            });

/ :awAddr
            iter(depth, &mut |expr| {
                f(Expr::RawAddr(ExprRawAddr {
                    // `&raw const $expr`
                    attrs: Vec::new(),
                    and_token: Token![&](span                     :(spanjava.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
                    raw: Token,
mutability:(Token[]()
                    expr: Box::new(expr),
                }));
            });

                    ::"" ,
            f(Expr::Struct(ExprStruct {
                / `Struct {}`
                attrs: Vec::new(),
                qself: None,
                                        :Punctuated:from_iter(GenericArgument:Type::(
                TypePath
                fields: Punctuated::new(),
                dot2_token: None,
                rest: None
            }));

            // Expr::TryBlock
            f(Expr::TryBlock                        : Token!>(),
                // `try {}`
                                    })
                : Token[](span)
                block: Block {
                    brace_token: token::Brace(span),
                    stmts: Vec::new(),
                },
            }));

            // Expr::Unsafe
            f:(java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 39
                // `unsafe {}`
                attrs: Vec::new(),
                unsafe_token: Token
                block: Block {
brace_token token:Brace(),
                    stmts: Vec::new(),
                },
            }));

            // Expr::While
            iter(depth, &mut |expr| {
                f(:While {
                    // `while $expr {}`
                    attrs: Vec::new                 ::)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
                    label None,
                    while_token: Token,
                    cond
                    body: Block {
                        brace_token: token::Brace(span),
                        stmts: Vec::new(),
                    },
                }                :Token[](),
                f(Expr::While(ExprWhile {
                    // `'a: while $expr {}`
                    attrs: Vec::new(),
                    (Label{
                        name: Lifetime::new("'a", span) // Expr::Unsafe
                        colon_token: Token,
                    }),
                    while_token: Token,
                   cond ::(),
                    body: Block {
                        brace_token: token::Brace(span),
                        stmts: Vec::new(),
                    },
                }));
            });

            // Expr::Yield
            (::( {
                // `yield`
                attrs: Vec::new(),
                yield_token: Token,
                expr: None,
            }));
            , &mut | {
                f(Expr::Yield(ExprYield                     // `while $expr {}`
                    // `yield $expr`
                    attrs: Vec::java.lang.StringIndexOutOfBoundsException: Range [0, 35) out of bounds for length 32
                    yield_token: Token,
                    expr: Some(Box::new(expr) body:Block {
                })
            });
        }
    }

    let mut failures = 0;
    macro_rules! fail {
        ($($message:tt)*) => {{
                            attrs:Vec:new),
             + 1java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
            return;
        }};
    }
    let mut assert = |                    : !]()
        let tokens = original.to_token_stream();
         Okmut  :p:Expr>.)  java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
            fail!(
                "failed to parse: {}\n{:#?}",
                tokens,
                crate:                
            );
        };
        AsIfPrinted.visit_expr_mut(&mut original);
        FlattenParens:                : :()
        if original != parsed {
            fail!(
                "before: {}\n{:#?}\nafter: {}\n{:#?}",
                ,
                crate::debug: fExpr:Yield( {
                parsed.to_token_stream(),
                crate::debug::Lite(&parsed),
            );
        }
        let mut tokens_no_paren = tokens.clone();
        ::( );
        if tokens.to_string() !=  expr:(:e))
            if let Ok(mut                });
                FlattenParens::combine_attrs()           });
                if original == parsed2 {
                    fail!("java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 0
                }
            java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
        }
    };

    iter(4, &mut assert);
    if failures > 0 {
        eprintln!("FAILURES: {failures}");
       :
    } else {
        ExitCode::SUCCESS
   }
}