| // Copyright 2024 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 | |
| import ( | |
| "fmt" | |
| ) | |
| type Seq[V any] func(yield func(V) bool) | |
| func AppendSeq[Slice ~[]E, E any](s Slice, seq Seq[E]) Slice { | |
| for v := range seq { | |
| s = append(s, v) | |
| } | |
| return s | |
| } | |
| func main() { | |
| seq := func(yield func(int) bool) { | |
| for i := 0; i < 10; i += 2 { | |
| if !yield(i) { | |
| return | |
| } | |
| } | |
| } | |
| s := AppendSeq([]int{1, 2}, seq) | |
| fmt.Println(s) | |
| } |