//go:build goexperiment.rangefunc

package main

import (
	"fmt"
	"iter"
	"runtime"
)

func init() {
	register("CoroLockOSThreadIterLock", func() {
		println("expect: OK")
		CoroLockOSThread(callerExhaust, iterLock)
	})
	register("CoroLockOSThreadIterLockYield", func() {
		println("expect: OS thread locking must match")
		CoroLockOSThread(callerExhaust, iterLockYield)
	})
	register("CoroLockOSThreadLock", func() {