Type Alias BoxAsyncOnceMut 

pub type BoxAsyncOnceMut<'a, A, T = ()> = Box<dyn FnOnce(&mut A) -> BoxFuture<'_, T> + Send + 'a>;

Type alias for a boxed async function that mutates its argument and is Send.

Aliased Type

pub struct BoxAsyncOnceMut<'a, A, T = ()>(/* private fields */);