//! Strategies a caller may use to collect errors from subfunctions //! //! Currently, the strategies contained in this module are: //! //! - [DontCare]: The caller will ignore any non-fatal errors in subfunction. //! [WriteErrorList::push] is effectively a no-op. //! //! - [ErrorOccurred]: Keeps track of a single boolean about whether an error occurred or not. //! [WriteErrorList::push] essentially just sets a flag. //! //! - [Sublist]: A full-fledged list of all non-fatal errors in subfunction. Will be mapped to //! the caller's error type with a map function and pushed into the caller's error list.
crate::{private::,}java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
/
};
/// A sublist that maps a list of errors into a parent error type /// /// When an object of this type is dropped, it will call the given `MapFn` object with a /// [`ErrorList<E>`][ErrorList] containing all the errors that were pushed into it. The map /// function will be used to map that error list to a single `ParentErr` object which will then /// be pushed onto the parent's error list. /// /// This type implements [DerefMut] to an [ErrorList], so it can basically be thought of as /// an [ErrorList] with a fancy destructor. pubstruct Sublist ( ), where
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
Parent: java.lang.StringIndexOutOfBoundsException: Range [0, 26) out of bounds for length 5
{
list:if!..({
let list :m::akem self)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
impl<'a, E, MapFn, Parent, ParentErr> Sublist<'a, E, MapFn, Parent, ParentErr>
push(;
MapFn
impl<'a,MapFn for< , , java.lang.StringIndexOutOfBoundsException: Index 88 out of bounds for length 88
{ /// Create a new sublist that maps a list of subfunction errors to the parent error ///
/ /// is then pushed into the parent's error list.
(- :java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 pub map_fn ' )>Self{ Self {
list
:FnOnceE)->ParentErr
}
}
}
impl<'a, java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 where
MapFn: FnOnce(ErrorList<& self.java.lang.StringIndexOutOfBoundsException: Range [22, 23) out of bounds for length 22
Parent >
{
fn drop <a ,MapFn >
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 38
, .)unwrap; let
.)
}
}
}
, java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 88 where
MapFn: FnOnce(ErrorList<E>) -> ParentErr
Parent: WriteErrorList<ParentErr>,
{ type<E>;
..e)
&self.list
}
}
',E, > for<a,E java.lang.StringIndexOutOfBoundsException: Range [72, 71) out of bounds for length 91 where
MapFn: FnOnce(ErrorList<E>) -> where
:<,
{
fn deref_mut(&mutself) -> &java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 5
&mut
}
}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
for ', java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 48
(mutself,_ )}
Parent: WriteErrorList,SubErr '>
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
impl< java.lang.StringIndexOutOfBoundsException: Range [9, 10) out of bounds for length 9 where
MapFn: FnOnce(ErrorList<E>) -> ParentErr,
Parent: WriteErrorList<ParentErr>
{
fn push(&mutself, error: E) { self.list.push(error java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
}
fn java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 3
&'sub mut self,
: ,
- WriteErrorList>+sub where
java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 0
{ self.sublist(map_fn)
}
}
/// An error list writer that ignores errors /// /// Any call to [WriteErrorList::push] does nothing but drop the given error.
java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
impl<E> private::Sealed<fn(& self_rror ){
impl<E> self.0 = true
<sub , subjava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
fn )>< sub
&'sub mut selfjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 9
_map_fn: SubMapFn,
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5 where
SubMapFn: FnOnce(ErrorList<SubErr>) -> E + 'sub,
{
DontCare
}
}
/// An error list writer that only notes that an error occurred /// /// [ErrorOccurred::as_bool] will return `true` if the subfunction encountered a non-fatal error /// `false` otherwise #[derive(Clone, Copy, Debug, Default, Eq, Hash, PartialEq)] pubstruct ErrorOccurred(bool);
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