Prohibit identity equals on inline class types

2018-06-07 15:11:04 +03:00
parent 9891f562cc
commit b2d9015723
10 changed files with 91 additions and 5 deletions
@@ -0,0 +1,15 @@
+// !LANGUAGE: +InlineClasses
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+
+inline class Foo(val x: Int)
+inline class Bar(val y: String)
+
+fun test(f1: Foo, f2: Foo, b1: Bar, fn1: Foo?, fn2: Foo?) {
+    val a1 = <!FORBIDDEN_IDENTITY_EQUALS!>f1 === f2<!> || <!FORBIDDEN_IDENTITY_EQUALS!>f1 !== f2<!>
+    val a2 = <!FORBIDDEN_IDENTITY_EQUALS!>f1 === f1<!>
+    val a3 = <!EQUALITY_NOT_APPLICABLE!>f1 === b1<!> || <!EQUALITY_NOT_APPLICABLE!>f1 !== b1<!>
+
+    val c1 = <!FORBIDDEN_IDENTITY_EQUALS!>fn1 === fn2<!> || <!FORBIDDEN_IDENTITY_EQUALS!>fn1 !== fn2<!>
+    val c2 = f1 === fn1 || f1 !== fn1
+    val c3 = <!EQUALITY_NOT_APPLICABLE!>b1 === fn1<!> || <!EQUALITY_NOT_APPLICABLE!>b1 !== fn1<!>
+}