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ComposedFold

karpal_std::prelude

Struct ComposedFold 

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pub struct ComposedFold<S, A> { /* private fields */ }
Expand description

A composed fold using boxed closures.

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impl<S, A> ComposedFold<S, A>

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pub fn get_all(&self, s: &S) -> Vec<A>

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pub fn fold_map<R>(&self, s: &S, f: impl Fn(A) -> R) -> R
where R: Monoid,

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pub fn length(&self, s: &S) -> usize

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impl<S, A> Optic for ComposedFold<S, A>

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impl<S, A> Freeze for ComposedFold<S, A>

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impl<S, A> !RefUnwindSafe for ComposedFold<S, A>

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impl<S, A> !Send for ComposedFold<S, A>

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impl<S, A> !Sync for ComposedFold<S, A>

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impl<S, A> Unpin for ComposedFold<S, A>

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impl<S, A> UnsafeUnpin for ComposedFold<S, A>

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impl<S, A> !UnwindSafe for ComposedFold<S, A>

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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> 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.