17 Aug
2007
17 Aug
'07
5:45 a.m.
You already have one of them above, if however unknown which:
Arg verbose = NoArg("-v")|NoArg("--verbose")|Env("VERBOSE"); string verbose_help = "Increases the verbosity of the program.";
Typical formatting output of what --help would/might produce on stdout might clarify the example a bit.