Dmitriy Novozhilov
54 lines
1.2 KiB
Kotlin
Vendored
54 lines
1.2 KiB
Kotlin
Vendored
// !WITH_NEW_INFERENCE
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// !CHECK_TYPE
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class In<in T>() {
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fun f(t : T) : Unit {}
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fun f(t : Int) : Int = 1
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fun f1(t : T) : Unit {}
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}
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class Out<out T>() {
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fun f() : T {throw IllegalStateException()}
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fun f(a : Int) : Int = a
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}
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class Inv<T>() {
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fun f(t : T) : T = t
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fun inf(t : T) : Unit {}
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fun outf() : T {throw IllegalStateException()}
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}
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fun testInOut() {
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In<String>().f("1");
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(null as In<in String>).f("1")
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(null as In<*>).f("1") // Wrong Arg
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In<String>().f(1);
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(null as In<in String>).f(1)
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(null as In<*>).f(1);
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Out<Int>().f(1)
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(null as Out<out Int>).f(1)
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(null as Out<*>).f(1)
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Out<Int>().f()
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(null as Out<out Int>).f()
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(null as Out<*>).f()
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Inv<Int>().f(1)
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(null as Inv<in Int>).f(1)
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(null as Inv<out Int>).f(1) // !!
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(null as Inv<*>).f(1) // !!
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Inv<Int>().inf(1)
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(null as Inv<in Int>).inf(1)
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(null as Inv<out Int>).inf(1) // !!
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(null as Inv<*>).inf(1) // !!
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Inv<Int>().outf()
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checkSubtype<Int>((null as Inv<in Int>).outf()) // Type mismatch
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(null as Inv<out Int>).outf()
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(null as Inv<*>).outf()
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Inv<Int>().<!INAPPLICABLE_CANDIDATE!>outf<!>(1) // Wrong Arg
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} |