| // 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 ( |
| "./a" |
| "fmt" |
| "unsafe" |
| ) |
| |
| func main() { |
| p := a.Pair[int32, int64]{1, 2} |
| if got, want := unsafe.Sizeof(p.Field1), uintptr(4); got != want { |
| panic(fmt.Sprintf("unexpected f1 size == %d, want %d", got, want)) |
| } |
| if got, want := unsafe.Sizeof(p.Field2), uintptr(8); got != want { |
| panic(fmt.Sprintf("unexpected f2 size == %d, want %d", got, want)) |
| } |
| |
| type mypair struct { |
| Field1 int32 |
| Field2 int64 |
| } |
| mp := mypair(p) |
| if mp.Field1 != 1 || mp.Field2 != 2 { |
| panic(fmt.Sprintf("mp == %#v, want %#v", mp, mypair{1, 2})) |
| } |
| } |