| // compile | |
| // Copyright 2026 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 78599: compiler ICE (DwarfFixupTable has orphaned fixup) | |
| // when wrapping iter.Seq2[K, ZeroSize] into iter.Seq[K]. | |
| package p | |
| import "iter" | |
| func pairs() iter.Seq2[int, struct{}] { | |
| return func(yield func(int, struct{}) bool) { | |
| yield(1, struct{}{}) | |
| } | |
| } | |
| func keys() iter.Seq[int] { | |
| return func(yield func(int) bool) { | |
| for k := range pairs() { | |
| if !yield(k) { | |
| return | |
| } | |
| } | |
| } | |
| } | |
| func use() { | |
| for range keys() { | |
| } | |
| } |