Callback4<T1, T2, T3, T4> typedef

Callback4<T1, T2, T3, T4> = void Function(T1 arg1, T2 arg2, T3 arg3, T4 arg4)

Callback function type with 4 positional arguments.

Implementation

typedef Callback4<T1, T2, T3, T4> = void Function(
    T1 arg1, T2 arg2, T3 arg3, T4 arg4);