crow/col/counter.crow (source)

counter[k] record

(has non-public fields)

    new[k] k counter(...a k array) k key

    to[k] k counter(values k array) k key

    to[k] k[nat64](a k counter) k key

    subscript[k] nat64(a k counter, value k) k key

    ~[k] k counter(a k counter, value k) k key

    iterate[k] bool(a k counter, f mut bool((k, nat64) tuple2)) k key