RunBinaryHandler typedef Null safety

R RunBinaryHandler <R, T1, T2>(
  1. Zone self,
  2. ZoneDelegate parent,
  3. Zone zone,
  4. R f(
    1. T1 arg1,
    2. T2 arg2
    ),
  5. T1 arg1,
  6. T2 arg2
)

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);