summaryrefslogtreecommitdiff
path: root/test/reflectmethod2.go
blob: 9ee1c245daeb62a526ed20ca37d839ce9819119a (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
// run

// Copyright 2016 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.

// The linker can prune methods that are not directly called or
// assigned to interfaces, but only if reflect.Type.MethodByName is
// never used. Test it here.

package main

import reflect1 "reflect"

var called = false

type M int

func (m M) UniqueMethodName() {
	called = true
}

var v M

type MyType interface {
	MethodByName(string) (reflect1.Method, bool)
}

func main() {
	var t MyType = reflect1.TypeOf(v)
	m, _ := t.MethodByName("UniqueMethodName")
	m.Func.Interface().(func(M))(v)
	if !called {
		panic("UniqueMethodName not called")
	}
}