Predicate4<T1, T2, T3, T4> typedef
Predicate4<T1, T2, T3, T4> =
bool Function(T1 arg1, T2 arg2, T3 arg3, T4 arg4)
Predicate function type with 4 positional arguments.
Implementation
typedef Predicate4<T1, T2, T3, T4> = bool Function(
T1 arg1, T2 arg2, T3 arg3, T4 arg4);