Type Alias MainFunction 

pub type MainFunction = Option<Box<dyn Fn(Standard, Vec<String>) -> MainFuture + 'static>>;

Aliased Type

pub enum MainFunction {
    None,
    Some(Box<dyn Fn(Standard, Vec<String>) -> Pin<Box<dyn Future<Output = Result<(), NonZero<usize>>>>>>),
}

Variants

None

No value.

Some(Box<dyn Fn(Standard, Vec<String>) -> Pin<Box<dyn Future<Output = Result<(), NonZero<usize>>>>>>)

Some value of type T.