//! Returns the error in column \p i.
real error(int i) const { return values_[i].error; }
//! Returns whether the value in column \p i is present.
- bool present(int i) const { return true; }
+ bool present(int /*i*/) const { return true; }
//! Returns an AnalysisDataValue for column \p i.
AnalysisDataValue value(int i) const
{