+ /// looks for exact match
+ bool match(MathArray const & ar) const;
+ /// looks for inclusion match starting at pos
+ bool matchpart(MathArray const & ar, pos_type pos) const;
+ /// looks for containment, return == size mean not found
+ size_type find(MathArray const & ar) const;
+ /// looks for containment, return == size mean not found
+ size_type find_last(MathArray const & ar) const;