mirror of
https://github.com/golang/go
synced 2024-11-24 06:20:02 -07:00
36 lines
651 B
Go
36 lines
651 B
Go
|
// 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.Method is
|
||
|
|
// never used. Test it here.
|
||
|
|
|
||
|
|
package main
|
||
|
|
|
||
|
|
import "reflect"
|
||
|
|
|
||
|
|
var called = false
|
||
|
|
|
||
|
|
type M int
|
||
|
|
|
||
|
|
func (m M) UniqueMethodName() {
|
||
|
|
called = true
|
||
|
|
}
|
||
|
|
|
||
|
|
var v M
|
||
|
|
|
||
|
|
type MyType interface {
|
||
|
|
Method(int) reflect.Method
|
||
|
|
}
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
var t MyType = reflect.TypeOf(v)
|
||
|
|
t.Method(0).Func.Interface().(func(M))(v)
|
||
|
|
if !called {
|
||
|
|
panic("UniqueMethodName not called")
|
||
|
|
}
|
||
|
|
}
|