Struct Command 

pub struct Command<M> { /* private fields */ }

A command that can be returned from update.

Commands represent side effects that should happen after updating the model.

Implementations

impl<M> Command<M>

pub fn none() -> Self

Create a command that does nothing.

pub fn quit() -> Self

Create a command that quits the application.

pub fn message(msg: M) -> Self

Create a command that sends a message.

pub fn batch(commands: Vec<Command<M>>) -> Self

Batch multiple commands together.

pub fn perform<F, Fut>(task: F) -> Self

where F: FnOnce() -> Fut, Fut: Future<Output = M> + Send + 'static, M: Send + 'static,

Create a command from an async task.

The task will be spawned and its result will be sent as a message.

pub fn is_quit(&self) -> bool

Check if this is a quit command.

pub fn is_none(&self) -> bool

Check if this is a no-op command.

Trait Implementations

impl<M> Default for Command<M>

fn default() -> Self

Returns the “default value” for a type.