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https://github.com/golang/go
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37 lines
719 B
Go
37 lines
719 B
Go
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// run
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// Copyright 2016 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// The linker can prune methods that are not directly called or
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// assigned to interfaces, but only if reflect.Type.MethodByName is
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// never used. Test it here.
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package main
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import reflect1 "reflect"
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var called = false
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type M int
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func (m M) UniqueMethodName() {
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called = true
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}
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var v M
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type MyType interface {
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MethodByName(string) (reflect1.Method, bool)
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}
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func main() {
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var t MyType = reflect1.TypeOf(v)
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m, _ := t.MethodByName("UniqueMethodName")
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m.Func.Interface().(func(M))(v)
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if !called {
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panic("UniqueMethodName not called")
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}
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}
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