RunBinaryHandler typedef
Implementation
typedef RunBinaryHandler = R Function<R, T1, T2>(Zone self, ZoneDelegate parent,
Zone zone, R Function(T1 arg1, T2 arg2) f, T1 arg1, T2 arg2);
typedef RunBinaryHandler = R Function<R, T1, T2>(Zone self, ZoneDelegate parent,
Zone zone, R Function(T1 arg1, T2 arg2) f, T1 arg1, T2 arg2);