go/test/fixedbugs/bug294.go

80 строки
1.0 KiB
Go

// run
// 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.
// https://golang.org/issue/800
package main
var log string
type T int
func (t T) a(s string) T {
log += "a(" + s + ")"
return t
}
func (T) b(s string) string {
log += "b"
return s
}
type F func(s string) F
func a(s string) F {
log += "a(" + s + ")"
return F(a)
}
func b(s string) string {
log += "b"
return s
}
type I interface {
a(s string) I
b(s string) string
}
type T1 int
func (t T1) a(s string) I {
log += "a(" + s + ")"
return t
}
func (T1) b(s string) string {
log += "b"
return s
}
var ok = true
func bad() {
if !ok {
println("BUG")
ok = false
}
println(log)
}
func main() {
var t T
if t.a("1").a(t.b("2")); log != "a(1)ba(2)" {
bad()
}
log = ""
if a("3")(b("4"))(b("5")); log != "a(3)ba(4)ba(5)" {
bad()
}
log = ""
var i I = T1(0)
if i.a("6").a(i.b("7")).a(i.b("8")).a(i.b("9")); log != "a(6)ba(7)ba(8)ba(9)" {
bad()
}
}