codekingpro/portable-devtools

1// run2 3// Copyright 2016 The Go Authors. All rights reserved.4// Use of this source code is governed by a BSD-style5// license that can be found in the LICENSE file.6 7// The linker can prune methods that are not directly called or8// assigned to interfaces, but only if reflect.Type.MethodByName is9// never used. Test it here.10 11package main12 13import reflect1 "reflect"14 15var called = false16 17type M int18 19func (m M) UniqueMethodName() {20	called = true21}22 23var v M24 25type MyType interface {26	MethodByName(string) (reflect1.Method, bool)27}28 29func main() {30	var t MyType = reflect1.TypeOf(v)31	m, _ := t.MethodByName("UniqueMethodName")32	m.Func.Interface().(func(M))(v)33	if !called {34		panic("UniqueMethodName not called")35	}36}37