Type Alias Cmd 

pub type Cmd = Option<Box<dyn FnOnce() -> Option<Box<dyn Msg>> + Send + Sync>>;

Cmd is an asynchronous command closure returning an optional Msg.

Aliased Type

pub enum Cmd {
    None,
    Some(Box<dyn FnOnce() -> Option<Box<dyn Msg>> + Send + Sync>),
}

Variants

None

No value.

Some(Box<dyn FnOnce() -> Option<Box<dyn Msg>> + Send + Sync>)

Some value of type T.