blob: 3fb7f32a3009cf662cae8c4c3b08bea83b978e67 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
// 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
type iface interface {
Get() int
}
//go:notinheap
type notInHeap struct {
i int
}
type myInt struct {
f *notInHeap
}
func (mi myInt) Get() int {
return int(mi.f.i)
}
type embed struct {
*myInt
}
var val = 1234
var valNotInHeap = notInHeap{val}
func main() {
i := val
check(i)
mi := myInt{f: &valNotInHeap}
check(mi.Get())
ifv := iface(mi)
check(ifv.Get())
ifv = iface(&mi)
check(ifv.Get())
em := embed{&mi}
check(em.Get())
ifv = em
check(ifv.Get())
ifv = &em
check(ifv.Get())
}
func check(v int) {
if v != val {
panic(v)
}
}
|