go reflectmethod2 源码
golang reflectmethod2 代码
文件路径：/test/reflectmethod2.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.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")
}
}
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