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test/tools/javac/lambda/8016177/T8016177b.java@2eb010b6cb22 (annotated)

test/tools/javac/lambda/8016177/T8016177b.java

Thu, 31 Aug 2017 15:17:03 +0800

author

aoqi

date

Thu, 31 Aug 2017 15:17:03 +0800

changeset 2525

2eb010b6cb22

parent 0

959103a6100f

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* @test /nodynamiccopyright/
aoqi@0	3	* @bug 8016177 8016178
aoqi@0	4	* @summary structural most specific and stuckness
aoqi@0	5	* @compile/fail/ref=T8016177b.out -XDrawDiagnostics T8016177b.java
aoqi@0	6	*/
aoqi@0	7	class T8016177b {
aoqi@0	8	interface ToIntFunction<X> {
aoqi@0	9	int m(X x);
aoqi@0	10	}
aoqi@0	11
aoqi@0	12	interface Function<X, Y> {
aoqi@0	13	Y m(X x);
aoqi@0	14	}
aoqi@0	15
aoqi@0	16	<U, V> Function<U, V> id(Function<U, V> arg) { return null; }
aoqi@0	17
aoqi@0	18	<U, V> Function<U, V> id2(Function<U, V> arg) { return null; }
aoqi@0	19	<U> ToIntFunction<U> id2(ToIntFunction<U> arg) { return null; }
aoqi@0	20
aoqi@0	21
aoqi@0	22	<X,Y,Z> X f(Y arg, Function<Y, Z> f) { return null; }
aoqi@0	23
aoqi@0	24	<X,Y,Z> X f2(Y arg, Function<Y, Z> f) { return null; }
aoqi@0	25	<X,Y> X f2(Y arg, ToIntFunction<Y> f) { return null; }
aoqi@0	26
aoqi@0	27	<T> T g(T arg) { return null; }
aoqi@0	28
aoqi@0	29	void test() {
aoqi@0	30	g(f("hi", id(x->1))); //ok
aoqi@0	31	g(f("hi", id2(x->1))); //ambiguous
aoqi@0	32	g(f2("hi", id(x->1))); //ok
aoqi@0	33	}
aoqi@0	34	}