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// run
// 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 (
"iter"
)
func All() iter.Seq[int] {
return func(yield func(int) bool) {
for i := 0; i < 10; i++ {
growStack(512)
if !yield(i) {
return
}
}
}
}
type S struct {
round int
}
func NewS(round int) *S {
s := &S{round: round}
return s
}
func (s *S) check(round int) {
if s.round != round {
panic("bad round")
}
}
func f() {
rounds := 0
s := NewS(rounds)
s.check(rounds)
for range All() {
s.check(rounds)
rounds++
s = NewS(rounds)
s.check(rounds)
}
}
func growStack(i int) {
if i == 0 {
return
}
growStack(i - 1)
}
func main() {
f()
}
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