Arg::default_value

default_value

since 0.1.0

Value for the argument when not present.

Examples

Example 1

Spec

TOML

name = "prog"
[args]
opt = { long = "myopt", default-value = "myval" }

YAML

name: prog
args:
  opt:
    long: myopt
    default-value: myval

JSON

{
  "name": "prog",
  "args": {
    "opt": {
      "long": "myopt",
      "default-value": "myval"
    }
  }
}

Input

prog

Output

claptrap_opt='myval'

Example 2

Spec

TOML

name = "prog"
[args]
opt = { long = "myopt", default-value = "myval" }

YAML

name: prog
args:
  opt:
    long: myopt
    default-value: myval

JSON

{
  "name": "prog",
  "args": {
    "opt": {
      "long": "myopt",
      "default-value": "myval"
    }
  }
}

Input

prog --myopt=non_default

Output

claptrap_opt='non_default'