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go/test/sizeof.go

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// $G $D/$F.go
// Copyright 2011 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 "unsafe"
type T struct {
X int
}
var t T
func isUintptr(uintptr) {}
func main() {
isUintptr(unsafe.Sizeof(t))
isUintptr(unsafe.Alignof(t))
isUintptr(unsafe.Offsetof(t.X))
}