Method reserve

src/fl/stl/basic_string.cpp.hpp:475–488

// ======= MEMORY MANAGEMENT =======

void basic_string::reserve(fl::size newCapacity) {
    if (newCapacity <= mLength) return;
    if (newCapacity + 1 <= mInlineCapacity) return;
    if (hasHeapData()) {
        const NotNullStringHolderPtr& heap = heapData();
        if (heap.get().use_count() <= 1 && heap->hasCapacity(newCapacity)) {
            return;
        }
    }
    NotNullStringHolderPtr newData = NotNullStringHolderPtr(fl::make_shared<StringHolder>(newCapacity));
    fl::memcpy(newData->data(), c_str(), mLength);
    newData->data()[mLength] = '\0';
    mStorage = newData;
}

void basic_string::clear(bool freeMemory) {
    mLength = 0;