Method begin

test-app/runtime/src/main/cpp/robin_hood.h:1991–1997

        }

        iterator begin() {
            ROBIN_HOOD_TRACE(this)
            if (empty()) {
                return end();
            }
            return iterator(mKeyVals, mInfo, fast_forward_tag{});
        }
        const_iterator begin() const { // NOLINT(modernize-use-nodiscard)
            ROBIN_HOOD_TRACE(this)
            return cbegin();