lambda: take into account substitution interface with method -> functional interface;

do not infer return type parameters when lambda parameter type was calculated, no substitution caching here (IDEA-90875)
This commit is contained in:
Anna Kozlova
2012-09-06 13:07:11 +04:00
parent 771d928deb
commit d474aa3f1c
11 changed files with 230 additions and 85 deletions
@@ -34,3 +34,27 @@ class Test3 {
bar(<error descr="Cyclic inference">x->{}</error>, new ArrayList());
}
}
class Test4 {
protected <T, U> U exerciseOps(TestData<T> data, TerminalOp1<T, U> terminal, IntermediateOp1... ops) {
return exerciseOps(data, (u, v) -> u.equals(v), terminal, ops);
}
protected static <T, U> U exerciseOps(TestData<T> data,
BiPredicate1<U, U> equalator,
TerminalOp1<T, U> terminalOp,
IntermediateOp1[] ops) {
return null;
}
public interface IntermediateOp1<T,U> {
}
public interface BiPredicate1<T, U> extends IntermediateOp1<T, U>{
boolean _(T t, U u);
}
public interface TerminalOp1<T, U> extends IntermediateOp1<T, U> {}
}