Trait Lens 

pub trait Lens<T, U>:
    Clone
    + Copy
    + 'static {
    // Required methods
    fn focus<'a>(&self, data: &'a T) -> &'a U;
    fn focus_mut<'a>(&self, data: &'a mut T) -> &'a mut U;
}

Required Methods

fn focus<'a>(&self, data: &'a T) -> &'a U

fn focus_mut<'a>(&self, data: &'a mut T) -> &'a mut 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.

Implementors