#!/usr/bin/c++script
// Just a demo of the option system
progdesc("How to use program options in c++script");
// Basic options
// The option constructor has 5 parameters
// 1- Short option name. This is a single letter. The option A is used by typing -A
//    If option -A has a value N, here are the different syntaxes: -AN -A N
// 2- Long option name. This is a string. The option longA is used by typing --longA
//    If option --longA has a value N, here are the different syntaxes: --longA=N --longA N
// 3- A description
// 4- The initial value (if the option is not used on the command line)
// 5- Either true if the option is mandatory or false if the option is, well, optional.
// The types supported are: int, unsigned, double, string and bool
// option<bool> do not accept a value. Just using the option on the command line turn the option to true.
option<bool> optbool('b',"bool","Boolean option, no value required",false,false);
option<unsigned> optuns('u',"unsigned","Unsigned value",1,false);
option<int> optint ('i',"int","Integer option",0,false);
option<double> optdbl('d',"double","Double option",2.1,false);
option<string> optstr('s',"string","String option","a string",false);
// One option may be repeated if it is defined with optionv.
// This works for int, unsigned, double and string.
// Unlike option<>, optionv<> do not have a default value.
optionv<int> optints('I',"ints","Integer options",false);


cout << format ("option --bool     {}\n",optbool.val);
cout << format ("option --int      {}\n",optint.val);
cout << format ("option --unsigned {}\n",optuns.val);
cout << format ("option --double   {}\n",optdbl.val);
cout << format ("option --string   \"{}\"\n",optstr.val);
cout << format ("option --ints    ");
for (auto i:optints.vals) cout << format (" {}",i);
cout << "\n";
cout << "\n";
cout << "Program arguments\n";
for (auto &a:args) cout << a << "\n";



return 0;