Oh... the coroutines docs are also wrong: ```/** ...

# komapper

[dave08]

Oh... the coroutines docs are also wrong:

/**
 * The terminal operator that awaits for one and only one value to be emitted.
 * Throws [NoSuchElementException] for empty flow and [IllegalStateException] for flow
 * that contains more than one element.
 */
public suspend fun <T> Flow<T>.single(): T {
    var result: Any? = NULL
    collect { value ->
        require(result === NULL) { "Flow has more than one element" }
        result = value
    }