Command::arg_required_else_help
arg_required_else_help
Section titled “arg_required_else_help ”Exit gracefully if no arguments are present (e.g. $ myprog
).
Example
Section titled “Example”name = "myprog"arg-required-else-help = true
name: myprogarg-required-else-help: true
{ "name": "myprog", "arg-required-else-help": true}
myprog
Output
Section titled “Output”Usage: myprog
Options: -h, --help Print help