codekingpro/portable-devtools

1// run2 3// Copyright 2021 The Go Authors. All rights reserved.4// Use of this source code is governed by a BSD-style5// license that can be found in the LICENSE file.6 7package main8 9import (10	"fmt"11	"unsafe"12)13 14type pair[F1, F2 any] struct {15	f1 F116	f2 F217}18 19func main() {20	p := pair[int32, int64]{1, 2}21	if got, want := unsafe.Sizeof(p.f1), uintptr(4); got != want {22		panic(fmt.Sprintf("unexpected f1 size == %d, want %d", got, want))23	}24	if got, want := unsafe.Sizeof(p.f2), uintptr(8); got != want {25		panic(fmt.Sprintf("unexpected f2 size == %d, want %d", got, want))26	}27 28	type mypair struct {29		f1 int3230		f2 int6431	}32	mp := mypair(p)33	if mp.f1 != 1 || mp.f2 != 2 {34		panic(fmt.Sprintf("mp == %#v, want %#v", mp, mypair{1, 2}))35	}36}37