mirror of
https://github.com/golang/go
synced 2024-11-17 14:04:48 -07:00
08d4cc20ca
Fixes: #47878 Change-Id: I369350813726fd518b4eab2b98f43bf031a6dee6 Reviewed-on: https://go-review.googlesource.com/c/go/+/344210 Reviewed-by: Dan Scales <danscales@google.com> Trust: Dan Scales <danscales@google.com> Trust: Keith Randall <khr@golang.org> Run-TryBot: Dan Scales <danscales@google.com> TryBot-Result: Go Bot <gobot@golang.org>
47 lines
667 B
Go
47 lines
667 B
Go
// compile -G=3
|
|
|
|
// Copyright 2021 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 main
|
|
|
|
type Src1[T any] func() Src1[T]
|
|
|
|
func (s *Src1[T]) Next() {
|
|
*s = (*s)()
|
|
}
|
|
|
|
type Src2[T any] []func() Src2[T]
|
|
|
|
func (s Src2[T]) Next() {
|
|
_ = s[0]()
|
|
}
|
|
|
|
type Src3[T comparable] map[T]func() Src3[T]
|
|
|
|
func (s Src3[T]) Next() {
|
|
var a T
|
|
_ = s[a]()
|
|
}
|
|
|
|
type Src4[T any] chan func() T
|
|
|
|
func (s Src4[T]) Next() {
|
|
_ = (<-s)()
|
|
}
|
|
|
|
func main() {
|
|
var src1 Src1[int]
|
|
src1.Next()
|
|
|
|
var src2 Src2[int]
|
|
src2.Next()
|
|
|
|
var src3 Src3[string]
|
|
src3.Next()
|
|
|
|
var src4 Src4[int]
|
|
src4.Next()
|
|
}
|