Trait GetCallback 

pub trait GetCallback<T> {
    // Required method
    fn call() -> T;
}

Represents callback action for cases without input for getting some data.

Required Methods

fn call() -> T

Returns value by callback’s logic.

Dyn Compatibility

This trait is not dyn compatible.

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

Implementations on Foreign Types

impl<T: Default> GetCallback<T> for ()

fn call() -> T

Implementors