Method at

3rdparty/qcustomplot/qcustomplot.h:2651–2651

  const_iterator findBegin(double sortKey, bool expandedRange=true) const;
  const_iterator findEnd(double sortKey, bool expandedRange=true) const;
  const_iterator at(int index) const { return constBegin()+qBound(0, index, size()); }
  QCPRange keyRange(bool &foundRange, QCP::SignDomain signDomain=QCP::sdBoth);
  QCPRange valueRange(bool &foundRange, QCP::SignDomain signDomain=QCP::sdBoth, const QCPRange &inKeyRange=QCPRange());
  QCPDataRange dataRange() const { return QCPDataRange(0, size()); }