Implement resolution of desctructuring declarations in lambdas

#KT-5828 In Progress
2016-09-15 17:56:59 +03:00
parent ace3655824
commit e975d32196
27 changed files with 640 additions and 37 deletions
@@ -0,0 +1,53 @@
+// !CHECK_TYPE
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+data class A(val x: Int, val y: String)
+data class B(val u: Double, val w: Short)
+
+fun foo(block: (A) -> Unit) { }
+fun foobar(block: (A, B) -> Unit) { }
+
+fun bar() {
+    foo { (a, b) ->
+        a checkType { _<Int>() }
+        b checkType { _<String>() }
+    }
+
+    foo { (a: Int, b: String) ->
+        a checkType { _<Int>() }
+        b checkType { _<String>() }
+    }
+
+    foo { (a, b): A ->
+        a checkType { _<Int>() }
+        b checkType { _<String>() }
+    }
+
+    foobar { (a, b), c ->
+        a checkType { _<Int>() }
+        b checkType { _<String>() }
+        c checkType { _<B>() }
+    }
+
+    foobar { a, (b, c) ->
+        a checkType { _<A>() }
+        b checkType { _<Double>() }
+        c checkType { _<Short>() }
+    }
+
+    foobar { (a, b), (c, d) ->
+        a checkType { _<Int>() }
+        b checkType { _<String>() }
+        c checkType { _<Double>() }
+        d checkType { _<Short>() }
+    }
+
+    foo { (<!COMPONENT_FUNCTION_RETURN_TYPE_MISMATCH!>a: String<!>, b) ->
+        a checkType { _<Int>() }
+        b checkType { _<String>() }
+    }
+
+    foo { <!EXPECTED_PARAMETER_TYPE_MISMATCH!>(a, b): B<!> ->
+        a checkType { _<Double>() }
+        b checkType { _<Short>() }
+    }
+}