slim date class in C++ with date validation, operators > >= < <= == != = between dates, input and output functions, current date. methods are documented in the date.hpp file
time.h and chrono libraries are required
to use this class, copy date.hpp and date.cpp in your project's folder and include date.hpp
the main.cpp has been made to test the date class and show how to use it. To run the main.cpp on linux: (cmake is required) cmake . make