golang p2 代码
文件路径：/test/fixedbugs/bug472.dir/p2.go
/ Copyright 2013 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 p2
import "runtime"
func E() func() int { return runtime.NumCPU }
func F() func() { return runtime.GC }
func G() func() string { return runtime.GOROOT }
func H() func() { return runtime.Gosched }
func I() func() string { return runtime.Version }