State

Trait State 

Source
pub trait State:
    Clone
    + Serialize
    + for<'de> Deserialize<'de>
    + Send
    + Sync {
    type Message: Send;

    // Required method
    fn update(&mut self, msg: Self::Message) -> Command<Self::Message>;
}
Expand description

Application state trait.

Implements the Elm Architecture: State + Message → (State, Command)

Required Associated Types§

Source

type Message: Send

Message type for state updates

Required Methods§

Source

fn update(&mut self, msg: Self::Message) -> Command<Self::Message>

Update state in response to a message.

Returns a command for side effects (async operations, navigation, etc.)

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§