1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
use super::{InputType, ReturnType, ToForeign}; pub struct UnitMarshaler; impl InputType for UnitMarshaler { type Foreign = (); } impl ReturnType for UnitMarshaler { type Foreign = (); #[inline(always)] fn foreign_default() -> () { () } } impl<E> ToForeign<Result<(), E>, ()> for UnitMarshaler { type Error = E; #[inline(always)] fn to_foreign(local: Result<(), E>) -> Result<(), Self::Error> { local } }