Trait ElementModel 

pub trait ElementModel: Send + 'static {
    type Msg: Send + 'static;

    // Required methods
    fn update(&mut self, msg: Self::Msg) -> Option<Cmd<Self::Msg>>;
    fn view(&self) -> Element<Self::Msg>;

    // Provided method
    fn init(&mut self) -> Option<Cmd<Self::Msg>> { ... }
}

A TEA model with Element tree rendering and Flexbox layout.

This is the recommended trait for building terminal UIs. The view() method returns an Element tree that is laid out using Flexbox and rendered incrementally.

Required Associated Types

type Msg: Send + 'static

Required Methods

fn update(&mut self, msg: Self::Msg) -> Option<Cmd<Self::Msg>>

Handle a message and update state. Return an optional command.

fn view(&self) -> Element<Self::Msg>

Build the UI element tree from current state.

Provided Methods

fn init(&mut self) -> Option<Cmd<Self::Msg>>

Called once when the program starts. Return a command to perform initialization.

Dyn Compatibility

This trait is dyn compatible.

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

Implementors