Current File : //usr/local/go/src/cmd/link/internal/ld/testdata/deadcode/ifacemethod.go
// Copyright 2020 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.
// Test that a method of a reachable type is not necessarily
// live even if it matches an interface method, as long as
// the type is never converted to an interface.
package main
type I interface{ M() }
type T int
func (T) M() { println("XXX") }
var p *T
var e interface{}
func main() {
p = new(T) // used T, but never converted to interface in any reachable code
e.(I).M() // used I and I.M
}
func Unused() { // convert T to interface, but this function is not reachable
var i I = T(0)
i.M()
}
var Unused2 interface{} = T(1) // convert T to interface, in an unreachable global initializer
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