rougail-output-doc/tests/docs/base/00_9default_calculation_param_optional.adoc

== dictionaries/rougail/00-base.yml

[,yaml]
----
---
version: '1.1'
var1:
  description: a first variable
  default:
    jinja: '{% if var2 is defined %} {{ var2 }} {% elif var3 is defined %} {{ var3
      }} {% elif var4 is defined %} {{ var4 }} {% else %} {{ _.var2 }} {% endif %} '
    params:
      var2:
        variable: _.var2
        optional: true
      var3:
        variable: _.var3
        optional: true
      var4:
        variable: _.unknown_family.var
        optional: true
    description: returns a value
  mandatory: false
var2: no    # a second variable
----
== Variables for "rougail"

[cols="1a,1a"]
|====
| Variable                                                                                                   | Description                                                                                                
| 
**rougail.var1** +
`https://rougail.readthedocs.io/en/latest/variable.html#variables-types[string]` `standard`                                                                                                            | 
A first variable. +
**Default**: returns a value.                                                                                                            
| 
**rougail.var2** +
`https://rougail.readthedocs.io/en/latest/variable.html#variables-types[string]` `standard` `mandatory`                                                                                                            | 
A second variable. +
**Default**: no                                                                                                            
|====