Added a templated version of OptionParser::set_defaults, similar to the one set for Option::set_default. Example: parser.set_defaults("width", 640);
Added a templated version of OptionParser::set_defaults, similar to the one set for Option::set_default.
Example: parser.set_defaults("width", 640);

dm0/cpp-argparse,dm0/cpp-argparse,dm0/cpp-argparse,weisslj/cpp-optparse,weisslj/cpp-optparse,weisslj/cpp-optparse,weisslj/cpp-argparse,weisslj/cpp-argparse,weisslj/cpp-argparse