Trait Mapper 

pub trait Mapper<Item> {
    type Output;

    // Required method
    fn map(&mut self, item: Item) -> Self::Output;
}

Trait for mapping input into output.

Required Associated Types

type Output

Output type.

Required Methods

fn map(&mut self, item: Item) -> Self::Output

Map item into output.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl<T, I, O> Mapper<I> for T

where T: FnMut(I) -> O,

type Output = O