Trait WithMut 

pub trait WithMut<T> {
    // Required method
    fn with_mut<R>(&mut self, f: impl FnOnce(&mut T) -> R) -> R;
}

Trait to apply a function to a mutable reference.

Required Methods

fn with_mut<R>(&mut self, f: impl FnOnce(&mut T) -> R) -> R

Apply a function to this mutable reference.

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.

Implementors

impl<T, WIM: WithInnerMut<T>> WithMut<T> for WIM

Blanket implementation of WithMut for inner mutable types.