Trait SettingActionHandler 

pub trait SettingActionHandler<Action: Copy> {
    // Required methods
    fn can_apply(&self, action: Action) -> bool;
    fn apply(&mut self, action: Action);
}

Traits for app-defined settings handlers and request messages.

Required Methods

fn can_apply(&self, action: Action) -> bool

fn apply(&mut self, action: Action)

Dyn Compatibility

This trait is dyn compatible.

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

Implementors