Method constBegin

3rdparty/qcustomplot/qcustomplot.h:2645–2645

  void squeeze(bool preAllocation=true, bool postAllocation=true);
  
  const_iterator constBegin() const { return mData.constBegin()+mPreallocSize; }
  const_iterator constEnd() const { return mData.constEnd(); }
  iterator begin() { return mData.begin()+mPreallocSize; }
  iterator end() { return mData.end(); }