dft_tools/doc/reference/c++/parameters/parameters_1.cpp

#include <triqs/parameters.hpp>
using triqs::params::parameters;

int main() {
/*
 parameters P;
 P["Beta"] = 3.14;

 parameter_defaults pdef;
 pdef.required("Beta", double(), "Inverse temperature").optional("Alpha", int(1000), "An integer").optional("Gamma", double(0.9),
                                                                                                            "A double");

 std::cout << pdef << std::endl; // print a comprehensive list of parameters:
 std::cout << P << std::endl;
 P.update(pdef); // check whether required parameters are present and update optional ones
 std::cout << P << std::endl;
*/
}