russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
34 lines
873 B
Java
34 lines
873 B
Java
/*
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* @test /nodynamiccopyright/
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* @bug 8016177 8016178
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* @summary structural most specific and stuckness
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* @compile/fail/ref=T8016177b.out -XDrawDiagnostics T8016177b.java
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*/
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class T8016177b {
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interface ToIntFunction<X> {
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int m(X x);
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}
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interface Function<X, Y> {
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Y m(X x);
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}
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<U, V> Function<U, V> id(Function<U, V> arg) { return null; }
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<U, V> Function<U, V> id2(Function<U, V> arg) { return null; }
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<U> ToIntFunction<U> id2(ToIntFunction<U> arg) { return null; }
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<X,Y,Z> X f(Y arg, Function<Y, Z> f) { return null; }
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<X,Y,Z> X f2(Y arg, Function<Y, Z> f) { return null; }
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<X,Y> X f2(Y arg, ToIntFunction<Y> f) { return null; }
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<T> T g(T arg) { return null; }
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void test() {
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g(f("hi", id(x->1))); //ok
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g(f("hi", id2(x->1))); //ambiguous
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g(f2("hi", id(x->1))); //ok
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}
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}
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