src/runtime/export_pipe_test.go - go - Git at Google

 // 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.

 //go:build aix || darwin
 // +build aix darwin

 package runtime

 var Pipe = pipe
	// 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.

	//go:build aix \|\| darwin
	// +build aix darwin

	package runtime

	var Pipe = pipe