Method count

src/fl/stl/multi_map.h:393–400

Lookup

    // Lookup
    fl::size count(const Key& key) const {
        auto range = equal_range(key);
        fl::size count = 0;
        for (auto it = range.first; it != range.second; ++it) {
            ++count;
        }
        return count;
    }

    iterator find(const Key& key) {
        ValueWithId search_key(value_type(key, Value()), 0);