Type Alias CompletedClosure 

pub type CompletedClosure<Arg1, Arg2> = Box<dyn FnOnce(<Arg1 as ClosureArg>::Output, <Arg2 as ClosureArg>::Output) -> Result<()>>;

Generic closure signature for completed_callback.

Aliased Type

pub struct CompletedClosure<Arg1, Arg2>(/* private fields */);