/usr/share/go-1.7/test/interface/pointer.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 | // errorcheck
// 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 that interface{M()} = *interface{M()} produces a compiler error.
// Does not compile.
package main
type Inst interface {
Next() *Inst
}
type Regexp struct {
code []Inst
start Inst
}
type Start struct {
foo *Inst
}
func (start *Start) Next() *Inst { return nil }
func AddInst(Inst) *Inst {
print("ok in addinst\n")
return nil
}
func main() {
print("call addinst\n")
var x Inst = AddInst(new(Start)) // ERROR "pointer to interface"
print("return from addinst\n")
var y *Inst = new(Start) // ERROR "pointer to interface|incompatible type"
}
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