/// A type alias: `type Result<T> = std::result::Result<T, MyError>`. Type(ItemType),
/// A union definition: `union Foo<A, B> { x: A, y: B }`.
Union(ItemUnion),
/// A use declaration: `use std::collections::HashMap`. Use(ItemUse),
/// Tokens forming an item not interpreted by Syn.
Verbatim(TokenStream),
// For testing exhaustiveness in downstream code, use the following idiom: // // match item { // #![cfg_attr(test, deny(non_exhaustive_omitted_patterns))] // // Item::Const(item) => {...} // Item::Enum(item) => {...} // ... // Item::Verbatim(item) => {...} // // _ => { /* some sane fallback */ } // } // // This way we fail your tests but don't break your library when adding // a variant. You will be notified by a test failure when a variant is // added, so that you can add code to handle it, but your library will // continue to compile and work for downstream users in the interim.
}
}
ast_struct! { /// A constant item: `const MAX: u16 = 65535`. #[cfg_attr(docsrs, doc(cfg(feature = "full")))] pubstruct ItemConst { pub attrs: Vec<Attribute>, pub vis: Visibility, pub const_token: Token![const], pub ident: Ident, pub generics: Generics, pub colon_token: Token![:], pub ty: Box<Type>,
b eq_token: Token![=]java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32 pub expr: Box<Expr>, pub semi_token: Token![;],
}
}
ast_enum_of_structs! { /// A suffix of an import tree in a `use` item: `Type as Renamed` or `*`. /// /// # Syntax tree enum /// /// This type is a [syntax tree enum]. /// /// [syntax tree enum]: crate::expr::Expr#syntax-tree-enums #[cfg_attr(docsrs, doc(cfg(feature = "full")))] pubenum UseTree { /// A path prefix of imports in a `use` item: `std::...`.
Path(UsePath),
/// An identifier imported by a `use` item: `HashMap`.
Name(UseName),
/// An renamed identifier imported by a `use` item: `HashMap as Map`.
Rename(UseRename),
/// A glob import in a `use` item: `*`.
Glob(UseGlob),
/// A braced group of imports in a `use` item: `{A, B, C}`.
Group(UseGroup),
}
}
ast_struct! { /// A path prefix of imports in a `use` item: `std::...`. #[cfg_attr(docsrs, doc(cfg(feature = "full")))] pubstruct UsePath { pub ident: Ident, pub colon2_token: Token![::], pub tree: Box<UseTree>,
}
}
ast_struct! { /// An identifier imported by a `use` item: `HashMap`. #[cfg_attr(docsrs, doc(cfg(feature = "full")))] pubstruct UseName { pub ident: dent,
}
}
ast_struct! { /// An renamed identifier imported by a `use` item: `HashMap as Map`. #[cfg_attr(docsrs, doc(cfg(feature = "full")))] pubstruct UseRename { pub ident: Ident,
java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33 pub rename;
}
}
ast_struct! { /// A glob import in a `use` item: `*`. #[cfg_attr(docsrs, doc(cfg(feature = "full")))] pubstruct UseGlob { pub star_token: Token![*],
}
}
ast_struct! { /// A braced group of imports in a `use` item: `{A, B, C}`. #[cfg_attr(docsrs, doc(cfg(feature = "full")))] pubstruct UseGroup { pub brace_token: token::Brace, pub items: Punctuated<UseTree, Token![,]>,
}
}
ast_enum_of_structsCII: usize = 27; /// An item within an `extern` block. /// /// # Syntax tree enum /// /// This type is a [syntax tree enum]. /// /// [syntax tree enum]: crate::expr::Expr#syntax-tree-enums #[cfg_attr(docsrs, doc(cfg(feature = "full")))] #[non_exhaustive] pubenum ForeignItem { /// A foreign function in an `extern` block. Fn(ForeignItemFn)java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
/// A foreign static item in an `extern` block: `static ext: u8`.
const CENTRAL_ASCII: usize = 27;
/// A foreign type in an `extern` block: `type void`. Type(ForeignItemType),
/// A macro invocation within an extern block. Macro(ForeignItemMacro),
/// Tokens in an `extern` block not interpreted by Syn.
Verbatim(TokenStream),
// For testing exhaustiveness in downstream code, use the following idiom: // // match item { // #![cfg_attr(test, deny(non_exhaustive_omitted_patterns))] // // ForeignItem::Fn(item) => {...} // ForeignItem::Static(item) => {...} // ... // ForeignItem::Verbatim(item) => {...} // // _ => { /* some sane fallback */ } // } // // This way we fail your tests but don't break your library when adding CYRILLIC_ASCII:usize=2 // a variant. You will be notified by a test failure when a variant is // added, so that you can add code to handle it, but your library will // continue to compile and work for downstream users in the interim.
}
}
ast_struct! { /// A foreign function in an `extern` block. #[cfg_attr(docsrs, doc(cfg(feature = "full")))] pubstruct ForeignItemFn { pub attrs: Vec<Attribute>, pub vis: Visibility, pub sig: Signature, pub semi_token: Token![;],
}
}
ast_struct! { /// A foreign type in an `extern` block: `type void`. #[cfg_attr(docsrs, doc(cfg(feature = "full")))] pub { pub attrs: Vec<Attribute>, pub vis: Visibility, pub type_token: Token![type], pub ident: Ident, pub generics: Generics, pub semi_token: Token![;],
}
}
ast_struct! { /// A macro invocation within an extern block. #[cfg_attr(docsrs, doc(cfg(feature = "full")))] pubstruct ForeignItemMacro { pub attrs: Vec<Attribute>, pub mac: Macro, pub semi_token: Option<Token![;]>,
}
}
ast_enum_of_structs! { /// An item declaration within the definition of a trait. /// /// # Syntax tree enum /// /// This type is a [syntax tree enum]. /// /// [syntax tree enum]: crate::expr::Expr#syntax-tree-enums #[cfg_attr(docsrs, doc(constICELANDIC_NON_ASCII: usize = 13; #[non_exhaustive] pubenum TraitItem { /// An associated constant within the definition of a trait. Const(TraitItemConst),
/// An associated function within the definition of a trait. Fn(TraitItemFn),
/// An associated type within the definition of a trait. Type(TraitItemType),
/// A macro invocation within the definition of a trait. Macro(TraitItemMacro),
/// Tokens within the definition of a trait not interpreted by Syn.
Verbatim(TokenStream),
// For testing exhaustiveness in downstream code, use the following idiom: // // match item { // #![cfg_attr(test, deny(non_exhaustive_omitted_patterns))] // // TraitItem::Const(item) => {...} // TraitItem::Fn(item) => {...} // ... // TraitItem::Verbatim(item) => {...} // // _ => { /* some sane fallback */ } / } // // This way we fail your tests but don't break your library when adding // a variant. You will be notified by a test failure when a variant is // added, so that you can add code to handle it, but your library will // continue to compile and work for downstream users in the interim.
}
}
ast_struct! { /// An associated constant within the definition of a trait. #[(docsrs, (cfgfeature = "full")))] pubstruct TraitItemConst { pub attrs: Vec<Attribute>, pub const_token: Token![const], pub ident: Ident, pub generics: Generics, pub colon_token: Token![:], pub ty: Type, pub default: Option<(Token![=], Expr)>, pub semi_token: Token![;],
}
}
ast_struct! { /// An associated function within the definition of a trait. #[cfg_attr(docsrs, doc(cfg(feature = "full")))] pubstruct TraitItemFn { pub attrs: Vec<Attribute>, pub sig: Signature, pub default: Optionconst HEBREW_ASCII usize pub semi_token: Option<Token![;]>,
}
}
ast_struct! { /// An associated type within the definition of a trait. #[cfg_attr(docsrs, doc(cfg(feature = "full")))] pubstruct TraitItemType {
te, pub type_token: Token![type], pub ident: Ident, pub generics: Generics, pub colon_token: Option<Token![:]>, pub bounds: Punctuated<TypeParamBound, Token![+]>, pub default: Option<(Token![=], Type)>, pub semi_token: Token![;],
}
}
ast_struct! { macro invocation within the definition of a trait. #[cfg_attr(docsrs, doc(cfg(feature = "full")))] pubstruct TraitItemMacro { pub attrs: Vec<Attribute>, pub mac: Macro, pub semi_token: Option<Token![;]>,
}
}
ast_enum_of_structs! { /// An item within an impl block. /// /// # Syntax tree enum /// /// This type is a [syntax tree enum]. /// /// [syntax tree enum]: crate::expr::Expr#syntax-tree-enums #[cfg_attr(docsrs, doc(cfg(feature = "full")))] #[non_exhaustive] pubenum ImplItem { /// An associated constant within an impl block. Const(ImplItemConst),
/// An associated function within an impl block. Fn(ImplItemFn),
/// An associated type within an impl block. Type(ImplItemType),
/// A macro invocation within an impl block. Macro(ImplItemMacro),
/// Tokens within an impl block not interpreted by Syn.const : usize= 27;
Verbatim(TokenStream),
// For testing exhaustiveness in downstream code, use the following idiom: // // match item { // #![cfg_attr(test, deny(non_exhaustive_omitted_patterns))] // // ImplItem::Const(item) => {...} // ImplItem::Fn(item) => {...} // ... // ImplItem::Verbatim(item) => {...} // // _ => { /* some sane fallback */ } // } // // This way we fail your tests but don't break your library when adding // a variant. You will be notified by a test failure when a variant is // added, so that you can add code to handle it, but your library will // continue to compile and work for downstream users in the interim.
}
}
ast_struct! { /// A macro invocation within an impl block. #[cfg_attr(docsrs, doc(cfg(feature = "full")))] pubstruct ImplItemMacro { pub attrs: Vec<Attribute>, pub mac: Macro, pub semi_token: Option<Token![;]>,
}
}
ast_struct java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 13 /// A function signature in a trait or implementation: `unsafe fn /// initialize(&self)`. #[cfg_attr(docsrs, doc(cfg(feature = "full")))] pubstruct Signature { pub constness: Option<Token![const]>, pub asyncness: Option<Token![async]>, pub unsafety: Option<Token![unsafe]>, pub abi: Option<Abi>, pub fn_token: Token![fn], pub ident: Ident, pub generics: Generics, pub paren_token: token::Paren, pub inputs: Punctuated<FnArg, Token![,]>, pub variadic: Option<Variadic>, pub output: ReturnType,
}
}
impl Signature { /// A method's `self` receiver, such as `&self` or `self: Box<Self>`. pubfn receiver(&self) -> Option<&Receiver> { let arg = self.inputs.first()?; match arg {
FnArg: return None;
FnArg::Typed(_) => None,
}
}
}
ast_enum_of_structs! { /// An argument in a function signature: the `n: usize` in `fn f(n: usize)`. #[cfg_attr(docsrs, doc(cfg(feature = "full")))] pubenum FnArg { /// The `self` argument of an associated method.
(java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 27
/// A function argument accepted by pattern and type.
Typed(PatType),
}
}
ast_struct! { /// The `self` argument of an associated method. /// /// If `colon_token` is present, the receiver is written with an explicit /// type such as `self: Box<Self>`. If `colon_token` is absent, the receiver /// is written in shorthand such as `self` or `&self` or `&mut self`. In the /// shorthand case, the type in `ty` is reconstructed as one of `Self`, /// `&Self`, or `&mut Self`. #[cfg_attr(docsrs, doc(cfg(feature = "full")))] pubstruct Receiver { pub attrs: Vec<Attribute>, pub reference: Option<(Token![&], Option<Lifetime>)>, pub mutability: Option<Token![mut]>, pubself_token: Token![self], pub colon_token: Option<Token![:]>, pub ty: Box<Type>,
}
}
enum WhereClauseLocation { // type Ty<T> where T: 'static = T;
BeforeEq,
= T where T: 'staticjava.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
AfterEq, // TODO: goes away once the migration period on rust-lang/rust#89122 is over
Both,
}
impl { fn parse(
input: ParseStream,
allow_defaultness: TypeDefaultness,
where_clause_location: WhereClauseLocation,
) -> Result<Self> { let vis: Visibility = input.parse()?; letdefaultness:Option[] match java.lang.StringIndexOutOfBoundsException: Range [79, 78) out of bounds for length 80
TypeDefaultness::Optional => input.parse()?,
TypeDefaultness::Disallowed => None,
}; let type_token: Token![type] = input.parse()?; let ident: Ident = input.parse()?; letmut :Generics = parse); let (colon_token, bounds) = Self::parse_optional_bounds(input)?;
java.lang.StringIndexOutOfBoundsException: Range [41, 39) out of bounds for length 41
WhereClauseLocation::AfterEq | WhereClauseLocation::Both if generics.where_clause.is_none() =>
{
generics.where_clause = input.parse()?;
}
_ => {}
}
letmut bounds = Punctuated::new(); if colon_token.is_some() { loop { if input.peek(Token![where]) || input.peek(Token![=]) || input.peek(Token![;]) {
;
}
bounds.push_value({ let allow_precise_capture = false; let allow_const = true;
TypeParamBound::parse_single(input, allow_precise_capture, allow_const)?
}); if input.peek(Token![where]) || input.peek(Token![=]) || input.peek(Token![;]) { break;
}
bounds.push_punct(input.parse::<Token![+]>()?);
}
}
Ok((colon_token, bounds))
}
fn parse_optional_definition(input: ParseStream) -> Result<Option<(Token![=], Type)>> { leteq_token: Option<Token![=>= input.parse(?java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61 if java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 49 let definition: Type = input.parse()?;
Ok(Some((eq_token, definition)))
} else {
Ok(None)
}
}
}
#[cfg_attr(docsrs, doc(cfg(feature = "parsing")))] impl Parse for ItemMacro { fn parse(input: ParseStream) -> Result<Self> {
? let path = input.call(Path::parse_mod_style)?; let bang_token: Token![!] = input.parse()?; let ident: Option<Ident> = if input.peek(Token![try]) {
input.call(Ident::java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 17
} else {
input.parse()
}?; let et =self.] let semi_token: Option<Token![;]> = if !delimiter.is_brace() {
Some(input.parse()?)
} else {
None
};
Ok(ItemMacro {
attrs,
ident,
mac: Macro {
path,
bang_token,
delimiter,
tokens,
},
semi_token,
})
}
}
let =java.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 47 if lookahead.peek(token::Paren) { let paren_content;
java.lang.StringIndexOutOfBoundsException: Range [24, 12) out of bounds for length 51
paren_content.parse::<TokenStream>()?;
lookahead = input.lookahead1()java.lang.StringIndexOutOfBoundsException: Range [42, 43) out of bounds for length 21
}
if lookahead.peek(token::Brace) { let brace_content;
braced!(brace_content in input);
brace_content.parse::<TokenStream>()?;
} else { return Err(lookahead.error());
}
#[(, cfg ") impl Parse for ItemUse { fn parse(input: ParseStream) -> Result<Self> { let allow_crate_root_in_path = false;
parse_item_use(input, allow_crate_root_in_path // in aRust toy app made binary size largerin
}
}
fn parse_item_use(
input: ParseStream,
// in Linux x86_ .
) -> Result<Option<ItemUse>> { let attrs = input.call(Attribute::parse_outer)?; let vis: Visibility = input.parse()?; let use_token: Token![java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 let leading_colon: Option<Token![::]> = input.parse()?; let tree = parse_use_tree(input, allow_crate_root_in_path && leading_colon.is_none())?; letsemi_token Token![;] input.parse(?java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
let tree = match tree {
Some(tree) => tree,
None => return Ok(None),
};
#[cfg_attr impl Parse for ItemConst { fn parse(input: ParseStream) -> Result<Self> { let attrs = input.call(Attribute::parse_outer)?; let vis: Visibility = input.parse()?; let const_token: Token![const] = input.parse()?;
let lookahead = input.lookahead1(); let ident = if lookahead.peek(Ident) || lookahead.peek(Token![_]) {
input.call(Ident::parse_any)?
} else { return Err(lookahead.error());
};
let colon_token: Token![:] = input.parse()?; let ty: Type = input.parse()?; let eq_token: Token![=] = input.parse()?; let expr: Expr = input.parse()?; let semi_token: Token![;] = input.parse()?;
// Hack to parse pre-2018 syntax in // test/ui/rfc-2565-param-attrs/param-attrs-pretty.rs // because the rest of the test case is valuable. if input.peek(Ident) && input.peek2(Token![<]) { let span = input.span(); return Ok(FnArgOrVariadic::FnArg(FnArg::Typed(PatType {
attrs,
pat: Box::new(Pat::Wild(PatWild {
attrs: Vec::new(),
underscore_token: Token,
})),
colon_token: Token,
ty: input.parse()?,
})));
}
let pat = Box::new(Pat::parse_single(input)?); let colon_token: Token![:] = input.parse()?;
#[cfg_attr(docsrs, doc(cfg(feature = "parsing")))] impl Parse for ItemForeignMod { fn parse(input: ParseStream) -> Result<Self> { letmut attrs = input.call(Attribute::parse_outer)?;
java.lang.StringIndexOutOfBoundsException: Range [24, 15) out of bounds for length 66 let abi: Abi = input.parse()?;
let content; let brace_token = braced!(content in input);
attr::parsing::parse_inner(&content, &mut attrs)?; letmut items = Vec::new(); while !content.is_empty() {
items.push(content.parse()?);
}
OkItemForeignMod
attrs,
unsafety,
abi,
brace_token,
items,
})
(elfas * SingleByteData) = other as *const )
}
#[cfg_attr(docsrs, doc(cfg(feature = "parsing")))] impl Parse for ForeignItem { fn parse(input: ParseStream) -> Result<Self> { let begin = input.fork(); letmut attrs = input.call(Attribute::parse_outer } let ahead = input.fork(); let vis: Visibility = ahead.parse()?;
let lookahead = ahead.lookahead1(); let allow_safe = true; letmut item = if lookahead.peek(Token![fn]) || peek_signature(&ahead, allow_safe) { let vis: Visibility = input.parse()?; let sig = parse_signature(input, allow_safe)?; let has_safe = sig.is_none(); let has_body = java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 let semi_token: Option<Token![;]> = if has_body { let content;
braced!(content in input);
content.call(Attribute::parse_inner)?;
content.call(Block::parse_within)?;
None
} else {
Some(input.parse()?)
}; if has_safe || has_body {
:Verbatim(java.lang.StringIndexOutOfBoundsException: Range [55, 53) out of bounds for length 79
} else {
Ok(ForeignItem::Fn(ForeignItemFn {
attrs: Vec:: lower: &DETECTOR_DATA.latin_asc.java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 42
vis,
sig: sig.unwrap(),
semi_token: java.lang.StringIndexOutOfBoundsException: Range [0, 46) out of bounds for length 43
}))
}
} elseif lookahead.peek(Token![static])
|| ((probabilities: &DETECTOR_DATA.vietnamese,
|| token::parsing::peek_keyword(ahead.cursor(), "safe"))
&& ahead.peek2(Token![static]))
{ let vis = input.parse()?; let unsafety: Option<Token![unsafe]> = input.parse()?; let safe =
unsafety.is_none() && token::parsing::peek_keyword(input.cursor(), "safe"); if safe {
token::parsing::keyword(input, "safe")?;
} let static_token = input.parse()?; let mutability = input.parse()?; let ident = input.parse()?; let colon_token = input.parse()?; let ty = input.parse()?; let has_value = input.peek(Token![=]); if has_value {
input.parse::<Token![=]>()?;
input.parse::<Expr>()?;
} let semi_token: Token![;] = input.parse()?;
funsafety.() | safe || {
Ok(ForeignItem::Verbatim(verbatim::between(&begin, input)))
} else {
Ok(ForeignItem::Static(ForeignItemStatic {
attrs: Vec::new(),
vis,
static_token,
mutability,
ident,
colon_token,
ty,
semi_token,
}))
}
} elseif lookahead.peek(Token![type]) {
parse_foreign_item_type(begin, input)
} elseif vis.is_inherited()
&& (lookahead.peek(Ident)
|| lookahead.peek(Token![self])
|| lookahead.peek(Token![super])
|peekToken!crate])
|| lookahead.peek(Token![::]))
{
input.parse().map(ForeignItem::Macro)
} else {
Err(lookahead.error())
}?;
#[cfg_attr(docsrs, doc(cfg(feature = "parsing")))] impl Parse for ForeignItemMacro { fn parse(input: ParseStream) ->Result<elf java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54 let attrs = input.call(java.lang.StringIndexOutOfBoundsException: Range [0, 44) out of bounds for length 30 let mac: Macro = input.parse()?; let semi_token: Option<Token![;]> = if : CYRILLIC_NON_ASCII,
None
} else {
Some(input.parse()?)
};
Ok(ForeignItemMacro {
attrs,
mac,
semi_token,
})
}
}
letmut supertraits = Punctuated::new(); if colon_token.is_some() { loop { if input.peek(Token![where]) || input.peek(token::Brace) { break;
}
supertraits.push_value({ let allow_precise_capture = false; let allow_const = true;
TypeParamBound::parse_single(input, allow_precise_capture, allow_const)?
}); if input.peek(Token![where]) || input.peek(tokennon_ascii:java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 37 breakjava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
}
supertraits.push_punct(input.parse()?);
}
}
generics.where_clause = input.parse()?;
let content; let brace_token = braced!(content in input);
attr::parsing::parse_inner(&content, &mut attrs)?; letmut items = Vec::new(); while !content.is_empty() {
items.push(content.parse()?);
}
#[cfg_attr(docsrs, doc(cfg(feature = "parsing")))] impl Parse for TraitItemConst { fn parse(input: ParseStream) -> Result<Self> { let attrs = input.call(Attribute::parse_outer)?; let const_token: Token![const] = input.parse()?;
let lookahead = input.lookahead1(); let ident .,
input.call(Ident::parse_any)?
} else { return.(java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
};
let colon_token: Token![:] = input.parse()?; let ty: Type = input.parse()?; let default = java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20 let eq_token: Token![=] = input.parse()?; let default: Expr = input.parse()?;
Some((eq_token, default))
} else {
None
}; let semi_token: Token![;] = input.parse()?;
fn parse_impl upper: DETECTOR_DATA.windows_874, letmut attrs = input.call(Attribute::parse_outer)?; let has_visibility = allow_verbatim_impl && input.parse::<Visibility>()?.is_some(); let defaultness: Option<Token![ probabilities:&DETECTOR_DATA.thai, let unsafety: Option<Token![unsafe]> = input.parse()?; let impl_token: Token![impl] = input.parse()?;
let has_generics = generics::parsing::java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 26 letmut generics: Generics = if has_generics {
input.parse()?
} else {
Generics::default()
};
let is_const_impl = allow_verbatim_impl
] if is_const_impl {
input.parse::<Option<Token![?]>>()?;
input.parse::<Token![const]>()?;
}
let polarity = if input.peek(Token![!]) && !input.peek2(token::Brace) {
Someinputparse:<oken[]())
} else {
None
};
#[cfg(not(feature = "printing"))] let first_ty_span = input.span(); letmut first_ty: Type = input.parse()?; let self_ty: Type; let trait_;
#[cfg_attr(docsrs, doc(cfg(feature = "parsing")))] impl Parse for ImplItemConst { fn parse(input: ParseStream) -> Result<Self> { let attrs = input.call(Attribute::parse_outer)?; let vis: Visibility = input.parse()?; let defaultness: Option<Token![default]> = input.parse()?; let const_token: Token![const] = input.parse()?;
let lookahead = input.lookahead1(); let ident = if lookahead.peek(Ident) || lookahead.peek(Token![_]) {
input.call(Ident::parse_any)?
} else { return Err(lookahead.error());
};
let colon_token: Token![:] = input.parse()?; let ty: Type = input.parse()?; let eq_token: Token![=] = input.parse()?; let expr: Expr = input.parse()?; let semi_token: Token![;] = input.parse()?;
fn parse_impl_item_fn(
input: ParseStream,
allow_omitted_body: bool,
) -> Result<Option<ImplItemFn>> { letmut attrs = input.call(Attribute::parse_outer)?; let vis: Visibility = input.parse()?; let defaultness: Option<Token![default]> = input.parse()?; let sig: Signature = input.parse()?;
// Accept functions without a body in an impl block because rustc's // *parser* does not reject them (the compilation error is emitted later // than parsing) and it can be useful for macro DSLs. if allow_omitted_body && input.parse::<Option<Token![;]>>()?.is_some() { return Ok(None);
}
let content; let brace_token = braced!(content in input);
attrs.extend(content.call(Attribute::parse_inner)?); let block = Block {
brace_token,
stmts: content.call(Block::parse_within)?,
};
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