/usr/share/go-1.10/test/syntax/initvar.go is in golang-1.10-src 1.10.1-1ubuntu2.
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 | // errorcheck
// Copyright 2010 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.
package main
func main() {
if var x = 0; x < 10 {} // ERROR "var declaration not allowed in if initializer"
switch var x = 0; x {} // ERROR "var declaration not allowed in switch initializer"
for var x = 0; x < 10; {} // ERROR "var declaration not allowed in for initializer"
}
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