Trait batch_oper::Effect

pub trait Effect<T> {
    fn effect<F: FnOnce(&T)>(self, f: F) -> Self;
}

Create an implicit variable, perform some side effects, and return it

Example

let v = Some(1);
let v = v.effect(|v| { assert_eq!(*v, 1) });
assert_eq!(v, Some(1));

Required methods

fn effect<F: FnOnce(&T)>(self, f: F) -> Self

Create an implicit variable, perform some side effects, and return it

Example

let v = Some(1);
let v = v.effect(|v| { assert_eq!(*v, 1) });
assert_eq!(v, Some(1));

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Implementations on Foreign Types

impl<T> Effect<T> for Option<T>

fn effect<F: FnOnce(&T)>(self, f: F) -> Self

impl<T, E> Effect<T> for Result<T, E>

fn effect<F: FnOnce(&T)>(self, f: F) -> Self

impl<'_, T, S: Deref<Target = T>> Effect<T> for &'_ S

fn effect<F: FnOnce(&T)>(self, f: F) -> Self

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Implementors

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