Implement resolution of desctructuring declarations in lambdas
#KT-5828 In Progress
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Vendored
+51
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// !CHECK_TYPE
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// !DIAGNOSTICS: -UNUSED_PARAMETER
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class A
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operator fun A.component1() = 1
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operator fun A.component2() = ""
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class B
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class D {
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operator fun A.component1() = 1.0
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operator fun A.component2() = ' '
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operator fun B.component1() = 1.0
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operator fun B.component2() = ' '
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}
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fun foo(block: (A) -> Unit) { }
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fun foobaz(block: D.(B) -> Unit) { }
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fun foobar(block: D.(A) -> Unit) { }
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fun bar() {
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foo { (a, b) ->
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a checkType { _<Int>() }
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b checkType { _<String>() }
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}
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foo { (a: Int, b: String) ->
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a checkType { _<Int>() }
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b checkType { _<String>() }
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}
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// From KEEP: Component-functions are resolved in the scope that contains the lambda
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foobaz { (<!COMPONENT_FUNCTION_MISSING!>a<!>, <!COMPONENT_FUNCTION_MISSING!>b<!>) ->
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}
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// From KEEP: Component-functions are resolved in the scope that contains the lambda
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// So `component1`/`component2` for lambda parameters were resolved to the top-level extensions
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foobar { (a, b) ->
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a checkType { _<Int>() }
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b checkType { _<String>() }
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}
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// the following code fails with exception, see KT-13873
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// foobarbaz {
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// component1: B.() -> Int,
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// component2: B.() -> String,
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// (a, b): B ->
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//
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// }
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}
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