go bug455 源码
golang bug455 代码
文件路径：/test/fixedbugs/bug455.go
// run
// 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.
// Issue 4156: out of fixed registers when chaining method calls.
// Used to happen with 6g.
package main
type test_i interface {
Test() test_i
Result() bool
}
type test_t struct {
}
func newTest() *test_t {
return &test_t{}
}
type testFn func(string) testFn
func main() {
test := newTest()
switch {
case test.
Test().
Test().
Test().
Test().
Test().
Test().
Test().
Test().
Test().
Test().
Result():
// case worked
default:
panic("Result returned false unexpectedly")
}
}
func (t *test_t) Test() test_i {
return t
}
func (t *test_t) Result() bool {
return true
}
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