Initial commit: Go 1.23 release state

test/typeparam/issue49295.go

@@ -0,0 +1,30 @@
+// run
+
+// Copyright 2021 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.
+
+package main
+
+import "io"
+
+type Reader struct {
+	buf []byte
+}
+type Token *[16]byte
+
+func Read[T interface{ ~*[16]byte }](r *Reader) (t T, err error) {
+	if n := len(t); len(r.buf) >= n {
+		t = T(r.buf[:n])
+		r.buf = r.buf[n:]
+		return
+	}
+	err = io.EOF
+	return
+}
+
+func main() {
+	r := &Reader{buf: []byte("0123456789abcdef")}
+	token, err := Read[Token](r)
+	_, _ = token, err
+}