MultiArgFunctionFutureOr2<T, S, U> typedef
MultiArgFunctionFutureOr2<T, S, U> =
MultiArgFunction2<FutureOr<T> , S, U>
a typedef for an async "multi-argument" Function
Implementation
typedef MultiArgFunctionFutureOr2<T, S, U>
= MultiArgFunction2<FutureOr<T>, S, U>;