golang recursive2 代码
文件路径：/test/interface/recursive1.dir/recursive2.go
// Copyright 2012 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 the mutually recursive types in recursive1.go made it
// intact and with the same meaning, by assigning to or using them.
package main
import "./recursive1"
func main() {
var i1 p.I1
var i2 p.I2
i1 = i2
i2 = i1
i1 = i2.F()
i2 = i1.F()
_, _ = i1, i2
}