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OptionProfunctor

oxilean_std::option::types

Struct OptionProfunctor 

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pub struct OptionProfunctor<A, B> { /* private fields */ }
Expand description

OptionProfunctor represents a profunctor-shaped wrapper over Option.

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impl<A: 'static, B: 'static> OptionProfunctor<A, B>

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pub fn new(f: impl Fn(A) -> Option<B> + 'static) -> Self

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pub fn apply(&self, a: A) -> Option<B>

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pub fn dimap<C: 'static, D: 'static>( self, pre: impl Fn(C) -> A + 'static, post: impl Fn(B) -> D + 'static, ) -> OptionProfunctor<C, D>

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impl<A, B> Freeze for OptionProfunctor<A, B>

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impl<A, B> !RefUnwindSafe for OptionProfunctor<A, B>

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impl<A, B> !Send for OptionProfunctor<A, B>

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impl<A, B> !Sync for OptionProfunctor<A, B>

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impl<A, B> Unpin for OptionProfunctor<A, B>

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impl<A, B> UnsafeUnpin for OptionProfunctor<A, B>

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impl<A, B> !UnwindSafe for OptionProfunctor<A, B>

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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.