This is a term project for the class NPRG041 at MFF CUNI. It is a header library.
When you want to use this library in your project you have to download src/ExpressionNode.hpp and src/Expression.hpp. Place them in the same directory in a suitable place in your project. Then include Expression.hpp in a source file in which you intend to use it. For usage refer to doc/expression_framework_documentation.pdf.