Type Alias Text 

pub type Text = Option<Box<dyn Fn(&dyn Event, &dyn World) -> String>>;

Aliased Type

pub enum Text {
    None,
    Some(Box<dyn Fn(&(dyn Event + 'static), &dyn World) -> String>),
}

Variants

None

No value.

Some(Box<dyn Fn(&(dyn Event + 'static), &dyn World) -> String>)

Some value of type T.