Callback3<T1, T2, T3> typedef
Callback3<T1, T2, T3> =
void Function(T1 arg1, T2 arg2, T3 arg3)
Callback function type with 3 positional arguments.
Implementation
typedef Callback3<T1, T2, T3> = void Function(T1 arg1, T2 arg2, T3 arg3);