Arg::last

last

since 0.1.0

This arg is the last, or final, positional argument (i.e. has the highest index) and is only able to be accessed via the -- syntax (i.e. $ prog args -- last_arg).

Examples

Example 1

Spec

TOML

name = "prog"
[args]
first = {}
second = {}
third = { action = "set", last = true }

YAML

name: prog
args:
  first: {}
  second: {}
  third:
    action: set
    last: true

JSON

{
  "name": "prog",
  "args": {
    "first": {},
    "second": {},
    "third": {
      "action": "set",
      "last": true
    }
  }
}

Input

prog one -- three

Output

claptrap_first='one'
claptrap_third='three'

Example 2

Spec

TOML

name = "prog"
[args]
first = {}
second = {}
third = { action = "set", last = true }

YAML

name: prog
args:
  first: {}
  second: {}
  third:
    action: set
    last: true

JSON

{
  "name": "prog",
  "args": {
    "first": {},
    "second": {},
    "third": {
      "action": "set",
      "last": true
    }
  }
}

Input

prog one two three

Output

error: unexpected argument 'three' found

Usage: prog [first] [second] [-- <third>]

For more information, try '--help'.