go source for verification 2026-05-22

test/typeparam/issue23536.go

@@ -0,0 +1,32 @@
+// run
+
+// Copyright 2022 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.
+
+// Test case where a slice of a user-defined byte type (not uint8 or byte) is
+// converted to a string.  Same for slice of runes.
+
+package main
+
+type MyByte byte
+
+type MyRune rune
+
+func f[T []MyByte](x T) string {
+	return string(x)
+}
+
+func g[T []MyRune](x T) string {
+	return string(x)
+}
+
+func main() {
+	var y []MyByte
+	_ = f(y)
+	_ = string(y)
+
+	var z []MyRune
+	_ = g(z)
+	_ = string(z)
+}