mirror of
https://github.com/golang/go
synced 2024-11-23 03:20:03 -07:00
34 lines
550 B
Go
34 lines
550 B
Go
|
// run
|
||
|
|
|
||
|
|
// Copyright 2019 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.
|
||
|
|
|
||
|
|
// Check closure in const declaration group can be compiled
|
||
|
|
// and set correct value
|
||
|
|
|
||
|
|
package main
|
||
|
|
|
||
|
|
import "unsafe"
|
||
|
|
|
||
|
|
const (
|
||
|
|
x = unsafe.Sizeof(func() {})
|
||
|
|
y
|
||
|
|
)
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
const (
|
||
|
|
z = unsafe.Sizeof(func() {})
|
||
|
|
t
|
||
|
|
)
|
||
|
|
|
||
|
|
// x and y must be equal
|
||
|
|
println(x == y)
|
||
|
|
// size must be greater than zero
|
||
|
|
println(y > 0)
|
||
|
|
|
||
|
|
// Same logic as x, y above
|
||
|
|
println(z == t)
|
||
|
|
println(t > 0)
|
||
|
|
}
|