Alexander Udalov
3269a7e693
Function references are now equal if they refer to the same function, and if the parameter/return type adaptation, which happens when a reference is used where some function type is expected, is exactly the same. This includes the number of expected positional parameters (which can be affected by defaults/varargs), whether the coercion of vararg parameter to Array type happened, and whether the coercion of return type to Unit happened. #KT-37543 Fixed
32 lines
1000 B
Kotlin
Vendored
32 lines
1000 B
Kotlin
Vendored
// IGNORE_BACKEND: JVM_IR, JS, JS_IR, NATIVE
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// IGNORE_BACKEND_FIR: JVM_IR
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// FILE: test.kt
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fun checkEqual(x: Any, y: Any) {
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if (x != y || y != x) throw AssertionError("$x and $y should be equal")
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if (x.hashCode() != y.hashCode()) throw AssertionError("$x and $y should have the same hash code")
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}
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fun checkNotEqual(x: Any, y: Any) {
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if (x == y || y == x) throw AssertionError("$x and $y should NOT be equal")
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}
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fun target(x: Int, vararg ys: String): Int = x + ys.size
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fun captureVararg1(fn: (Int, String) -> Unit): Any = fn
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fun captureVararg0(fn: (Int) -> Unit): Any = fn
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fun box(): String {
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checkEqual(captureVararg1(::target), captureVararg1(::target))
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checkEqual(captureVararg0(::target), captureVararg0(::target))
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checkEqual(captureVararg1(::target), captureVararg1FromOtherFile())
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checkNotEqual(captureVararg1(::target), captureVararg0(::target))
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return "OK"
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}
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// FILE: fromOtherFile.kt
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fun captureVararg1FromOtherFile(): Any = captureVararg1(::target)
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