Command::help_expected

help_expected

since 0.1.0

Panic if help descriptions are omitted.

Example

Spec

TOML

name = "myprog"
help-expected = true
[args]
foo = { help = "It does foo stuff" }

YAML

name: myprog
help-expected: true
args:
  foo:
    help: It does foo stuff

JSON

{
  "name": "myprog",
  "help-expected": true,
  "args": {
    "foo": {
      "help": "It does foo stuff"
    }
  }
}

Input

myprog --help

Output

Usage: myprog [foo]

Arguments:
  [foo]  It does foo stuff

Options:
  -h, --help  Print help