Trait Apply

pub trait Apply<T, U> {
    type Output;

    // Required method
    fn apply<F>(self, f: F) -> Self::Output
       where F: FnOnce(T) -> U;
}

[ApplyOnce] describes objects capable of applying, or mapping, a function onto a value.

Required Associated Types

type Output

Required Methods

fn apply<F>(self, f: F) -> Self::Output

where F: FnOnce(T) -> U,

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types

impl<T, U> Apply<T, U> for Option<T>

type Output = Option<U>

fn apply<F>(self, f: F) -> Self::Output

where F: FnOnce(T) -> U,

Implementors