Support boxing/unboxing for captured vars of inline class types

2018-02-07 04:49:06 +03:00
parent 9f24bbd980
commit fefcddc803
14 changed files with 228 additions and 79 deletions
@@ -0,0 +1,31 @@
+// !LANGUAGE: +InlineClasses
+
+inline class UInt(val value: Int)
+
+fun test(x: UInt?) {
+    x?.myLet { // unbox
+        takeUInt(it)
+        takeUInt(x) // unbox
+    }
+
+    x?.myLet { // unbox
+        takeNullableUInt(it) // box
+        takeNullableUInt(x)
+    }
+
+    x!!.myLet { // unbox
+        takeUInt(it)
+        takeUInt(x) // unbox
+    }
+}
+
+fun takeUInt(y: UInt) {}
+fun takeNullableUInt(y: UInt?) {}
+
+inline fun <T> T.myLet(f: (T) -> Unit) = f(this)
+
+// 1 INVOKESTATIC UInt\$Erased.box
+// 5 INVOKEVIRTUAL UInt.unbox
+
+// 0 intValue
+// 0 valueOf