void maybe_rehash_after_erase_()

in csrc/suffix_decoding/int32_map.h [292:312]

• 17 lines of code
• 5 McCabe index (conditional complexity)

    void maybe_rehash_after_erase_() {
        if (!slots_) {
            return;
        }

        // If completely empty: free everything and return.
        if (size_ == 0) {
            delete[] slots_;
            slots_ = nullptr;
            cap_ = size_ = tombstones_ = 0;
            return;
        }

        // If too sparse, shrink by 1/2.
        if (static_cast<uint64_t>(size_) * 100 <
               static_cast<uint64_t>(cap_) * MIN_LOAD_PCT) {
            if (cap_ / 2 >= MIN_CAPACITY) {
                rehash_(cap_ / 2);
            }
        }
    }