when2<T1, T2> method
PatternMatcher<I, O>
when2<T1, T2>(
- TransformingPredicate<
I, Pair< predicate,T1, T2> > - O function(
- T1 input1,
- T2 input2
Implementation
PatternMatcher<I, O> when2<T1, T2>(
TransformingPredicate<I, Pair<T1, T2>> predicate,
O Function(T1 input1, T2 input2) function) {
var newCases = List<_Case<I, Pair<T1, T2>, O>>.from(_cases);
newCases.add(_Case(predicate, (Pair<T1, T2> p) => function(p.a, p.b)));
return PatternMatcher(newCases);
}