Trait WithInnerMut 

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

Trait to apply a function to a mutable reference of an internally mutable variable.

Required Methods

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

Apply a function to mutate this value.

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, BDM: BorrowDerefMut<T>> WithInnerMut<T> for BDM