CharPredicateSearcher in core::str::pattern - Rust
Description: Associated type for `<F as Pattern>::Searcher<'a>`.

# Struct CharPredicateSearcher

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    pub struct CharPredicateSearcher<'a, F>(/* private fields */)
    where
        F: FnMut(char) -> bool;

🔬This is a nightly-only experimental API. (`pattern` #27721)
Expand description

Associated type for `<F as Pattern>::Searcher<'a>`.

## Trait Implementations§

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### impl<'a, F> Clone for CharPredicateSearcher<'a, F>
where F: FnMut(char) -> bool + Clone,

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#### fn clone(&self) -> CharPredicateSearcher<'a, F>

Returns a copy of the value. Read more
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#### fn clone_from(&mut self, source: &Self)

Performs copy-assignment from `source`. Read more
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### impl<F> Debug for CharPredicateSearcher<'_, F>
where F: FnMut(char) -> bool,

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#### fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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### impl<'a, F> ReverseSearcher<'a> for CharPredicateSearcher<'a, F>
where F: FnMut(char) -> bool,

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#### fn next_back(&mut self) -> SearchStep

🔬This is a nightly-only experimental API. (`pattern` #27721)
Performs the next search step starting from the back. Read more
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#### fn next_match_back(&mut self) -> Option<(usize, usize)>

🔬This is a nightly-only experimental API. (`pattern` #27721)
Finds the next `Match` result. See `next_back()`.
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#### fn next_reject_back(&mut self) -> Option<(usize, usize)>

🔬This is a nightly-only experimental API. (`pattern` #27721)
Finds the next `Reject` result. See `next_back()`.
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### impl<'a, F> Searcher<'a> for CharPredicateSearcher<'a, F>
where F: FnMut(char) -> bool,

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#### fn haystack(&self) -> &'a str

🔬This is a nightly-only experimental API. (`pattern` #27721)
Getter for the underlying string to be searched in Read more
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#### fn next(&mut self) -> SearchStep

🔬This is a nightly-only experimental API. (`pattern` #27721)
Performs the next search step starting from the front. Read more
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#### fn next_match(&mut self) -> Option<(usize, usize)>

🔬This is a nightly-only experimental API. (`pattern` #27721)
Finds the next `Match` result. See `next()`. Read more
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#### fn next_reject(&mut self) -> Option<(usize, usize)>

🔬This is a nightly-only experimental API. (`pattern` #27721)
Finds the next `Reject` result. See `next()` and `next_match()`. Read more
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### impl<'a, F> DoubleEndedSearcher<'a> for CharPredicateSearcher<'a, F>
where F: FnMut(char) -> bool,

## Auto Trait Implementations§

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### impl<'a, F> Freeze for CharPredicateSearcher<'a, F>
where F: Freeze,

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### impl<'a, F> RefUnwindSafe for CharPredicateSearcher<'a, F>
where F: RefUnwindSafe,

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### impl<'a, F> Send for CharPredicateSearcher<'a, F>
where F: Send,

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### impl<'a, F> Sync for CharPredicateSearcher<'a, F>
where F: Sync,

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### impl<'a, F> Unpin for CharPredicateSearcher<'a, F>
where F: Unpin,

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### impl<'a, F> UnwindSafe for CharPredicateSearcher<'a, F>
where F: UnwindSafe,

## Blanket Implementations§

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### impl<T> Any for T
where T: 'static + ?Sized,

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#### fn type_id(&self) -> TypeId

Gets the `TypeId` of `self`. Read more
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### impl<T> Borrow<T> for T
where T: ?Sized,

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#### fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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### impl<T> BorrowMut<T> for T
where T: ?Sized,

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#### fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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### impl<T> CloneToUninit for T
where T: Clone,

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#### unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (`clone_to_uninit` #126799)
Performs copy-assignment from `self` to `dest`. Read more
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### impl<T> From<T> for T

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#### fn from(t: T) -> T

Returns the argument unchanged.

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### impl<T, U> Into<U> for T
where U: From<T>,

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#### fn into(self) -> U

Calls `U::from(self)`.

That is, this conversion is whatever the implementation of `From<T> for U` chooses to do.

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### impl<T, U> TryFrom<U> for T
where U: Into<T>,

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#### type Error = Infallible

The type returned in the event of a conversion error.
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#### fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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### impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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#### type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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#### fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.