Initial commit: Go 1.23 release state

test/typeparam/pair.go

@@ -0,0 +1,36 @@
+// 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 (
+	"fmt"
+	"unsafe"
+)
+
+type pair[F1, F2 any] struct {
+	f1 F1
+	f2 F2
+}
+
+func main() {
+	p := pair[int32, int64]{1, 2}
+	if got, want := unsafe.Sizeof(p.f1), uintptr(4); got != want {
+		panic(fmt.Sprintf("unexpected f1 size == %d, want %d", got, want))
+	}
+	if got, want := unsafe.Sizeof(p.f2), uintptr(8); got != want {
+		panic(fmt.Sprintf("unexpected f2 size == %d, want %d", got, want))
+	}
+
+	type mypair struct {
+		f1 int32
+		f2 int64
+	}
+	mp := mypair(p)
+	if mp.f1 != 1 || mp.f2 != 2 {
+		panic(fmt.Sprintf("mp == %#v, want %#v", mp, mypair{1, 2}))
+	}
+}