/usr/share/go-1.7/test/interface/embed.go is in golang-1.7-src 1.7.4-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | // run
// Copyright 2009 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 methods derived from embedded interface values.
package main
import "os"
const Value = 1e12
type Inter interface { M() int64 }
type T int64
func (t T) M() int64 { return int64(t) }
var t = T(Value)
var pt = &t
var ti Inter = t
type S struct { Inter }
var s = S{ ti }
var ps = &s
var i Inter
var ok = true
func check(s string, v int64) {
if v != Value {
println(s, v)
ok = false
}
}
func main() {
check("t.M()", t.M())
check("pt.M()", pt.M())
check("ti.M()", ti.M())
check("s.M()", s.M())
check("ps.M()", ps.M())
i = t
check("i = t; i.M()", i.M())
i = pt
check("i = pt; i.M()", i.M())
i = s
check("i = s; i.M()", i.M())
i = ps
check("i = ps; i.M()", i.M())
if !ok {
println("BUG: interface10")
os.Exit(1)
}
}
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