mirror of https://go.googlesource.com/go
62 lines
772 B
Go
62 lines
772 B
Go
// run
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// Copyright 2024 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"iter"
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)
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func All() iter.Seq[int] {
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return func(yield func(int) bool) {
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for i := 0; i < 10; i++ {
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growStack(512)
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if !yield(i) {
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return
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}
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}
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}
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}
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type S struct {
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round int
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}
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func NewS(round int) *S {
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s := &S{round: round}
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return s
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}
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func (s *S) check(round int) {
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if s.round != round {
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panic("bad round")
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}
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}
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func f() {
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rounds := 0
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s := NewS(rounds)
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s.check(rounds)
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for range All() {
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s.check(rounds)
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rounds++
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s = NewS(rounds)
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s.check(rounds)
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}
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}
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func growStack(i int) {
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if i == 0 {
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return
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}
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growStack(i - 1)
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}
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func main() {
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f()
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}
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