pub struct FoldFrom<InitFn, FoldFn> { /* private fields */ }Available on crate feature
std only.Expand description
Fold but with initialization by converting the first received item.
Implementations§
Source§impl<InitFn, FoldFn> FoldFrom<InitFn, FoldFn>
impl<InitFn, FoldFn> FoldFrom<InitFn, FoldFn>
Sourcepub const fn new<Accum, Item>(init_fn: InitFn, fold_fn: FoldFn) -> Selfwhere
Self: Accumulator<Accum, Item>,
pub const fn new<Accum, Item>(init_fn: InitFn, fold_fn: FoldFn) -> Selfwhere
Self: Accumulator<Accum, Item>,
Create a FoldFrom Accumulator with the given InitFn and FoldFn.
Trait Implementations§
Source§impl<InitFn, FoldFn, Accum, Item> Accumulator<Accum, Item> for FoldFrom<InitFn, FoldFn>
impl<InitFn, FoldFn, Accum, Item> Accumulator<Accum, Item> for FoldFrom<InitFn, FoldFn>
Source§fn accumulate<Key>(&mut self, entry: Entry<'_, Key, Accum>, item: Item)
fn accumulate<Key>(&mut self, entry: Entry<'_, Key, Accum>, item: Item)
Accumulates a value into an either occupied or vacant table entry.
Auto Trait Implementations§
impl<InitFn, FoldFn> Freeze for FoldFrom<InitFn, FoldFn>
impl<InitFn, FoldFn> RefUnwindSafe for FoldFrom<InitFn, FoldFn>where
InitFn: RefUnwindSafe,
FoldFn: RefUnwindSafe,
impl<InitFn, FoldFn> Send for FoldFrom<InitFn, FoldFn>
impl<InitFn, FoldFn> Sync for FoldFrom<InitFn, FoldFn>
impl<InitFn, FoldFn> Unpin for FoldFrom<InitFn, FoldFn>
impl<InitFn, FoldFn> UnsafeUnpin for FoldFrom<InitFn, FoldFn>where
InitFn: UnsafeUnpin,
FoldFn: UnsafeUnpin,
impl<InitFn, FoldFn> UnwindSafe for FoldFrom<InitFn, FoldFn>where
InitFn: UnwindSafe,
FoldFn: UnwindSafe,
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ
fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ
Converts
self into a Left variant of Either<Self, Self>
if into_left is true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
Converts
self into a Left variant of Either<Self, Self>
if into_left(&self) returns true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read more