ensure_back_room()

template<typename T>

void fl::deque< T >::ensure_back_room ( )

inlineprivate

Definition at line 132 of file deque.h.

                                         {
        fl::size global = mFrontOffset + mSize;
        fl::size need_chunk_idx = mFrontMapIdx + global / kChunkSize;
        if (need_chunk_idx >= mMapCapacity) {
            grow_map(0, 1);
            global = mFrontOffset + mSize;
            need_chunk_idx = mFrontMapIdx + global / kChunkSize;
            if (need_chunk_idx >= mMapCapacity) return;  // grow failed
        }
        if (mMap[need_chunk_idx] == nullptr) {
            mMap[need_chunk_idx] = allocate_chunk();
        }
    }

Referenced by fl::deque< int >::emplace_back(), fl::deque< int >::push_back(), and fl::deque< int >::push_back().

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