Initial commit: Go 1.23 release state

test/range2.go

@@ -0,0 +1,24 @@
+// errorcheck -goexperiment rangefunc
+
+// Copyright 2023 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// See ../internal/types/testdata/spec/range.go for most tests.
+// The ones in this file cannot be expressed in that framework
+// due to conflicts between that framework's error location pickiness
+// and gofmt's comment location pickiness.
+
+package p
+
+type T struct{}
+
+func (*T) PM() {}
+func (T) M()   {}
+
+func test() {
+	for range T.M { // ERROR "cannot range over T.M \(value of type func\(T\)\): func must be func\(yield func\(...\) bool\): argument is not func"
+	}
+	for range (*T).PM { // ERROR "cannot range over \(\*T\).PM \(value of type func\(\*T\)\): func must be func\(yield func\(...\) bool\): argument is not func"
+	}
+}