main.kt

// !!!!! DON'T DO THIS !!!!!
suspend fun countToAHundredBillion_unsafe() {
    var count = 0L
    
    // This suspend fun won't be cancelled if the coroutine
    // that's running it gets cancelled, because it doesn't
    // ever yield.
    while(count < 100_000_000_000) {
        count++
    }
}