Struct wayland_client::State

pub struct State { /* fields omitted */ }

A state store

This struct allows you to store various values in a special storage that will be made available to your proxy implementations.

Methods

impl State

fn insert<V: Any + 'static>(&mut self, value: V) -> StateToken<V>

Insert a new value in this state store

Returns a clonable token that you can later use to access this value.

fn get<V: Any + 'static>(&self, token: &StateToken<V>) -> &V

Access value previously inserted in this state store

Panics if the provided token corresponds to a value that was removed.

fn get_mut<V: Any + 'static>(&mut self, token: &StateToken<V>) -> &mut V

Mutably access value previously inserted in this state store

Panics if the provided token corresponds to a value that was removed.

fn remove<V: Any + 'static>(&mut self, token: StateToken<V>) -> V

Remove a value previously inserted in this state store

Panics if the provided token corresponds to a value that was already removed.