Trait take_if::TakeIf

pub trait TakeIf {
    type Inner;
    fn take_if<F: FnOnce(&Self::Inner) -> bool>(
        &mut self, 
        predicate: F
    ) -> Option<Self::Inner>;
}

Extension trait for Option<T> that adds the take_if method.

See the crate-level documentation for more information.

Associated Types

type Inner

The type contained in the Option.

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Required methods

fn take_if<F: FnOnce(&Self::Inner) -> bool>(
    &mut self,
    predicate: F
) -> Option<Self::Inner>

Takes value out of the Option if predicate returns true.

See the crate-level documentation for more information.

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Implementations on Foreign Types

impl<T> TakeIf for Option<T>

type Inner = T

fn take_if<F: FnOnce(&Self::Inner) -> bool>(
    &mut self,
    predicate: F
) -> Option<Self::Inner>

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Implementors

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