Vorlage:Yesno

Permanently protected template
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This template normalises an input to be a yes/no output.

Usage[Quelltext bearbeiten]

The template distinguishes five different types of input, supplied on the first unnamed parameter:

  1. Yes: Case-insensitive forms of "Ja", "Wahr", "j", "Yes", "true", "y" and "1"; e.g. {{Yesno|yEs}}
  2. No: Case-insensitive forms of "Nein", "Falsch", "No", "False", "n" and "0"; e.g. {{Yesno|nO}}
  3. Nothing: When the input is defined but either contains no value or consists of whitespace character only; i.e. {{Yesno|}} or {{Yesno| }}
  4. Negation: When the input is either "¬" or entirely missing; i.e. {{Yesno|¬}} or {{Yesno}}
  5. Anything else: e.g. {{Yesno|Purple monkey dish washer}}

By default, the template returns "yes" in the first and last case but returns blank in the other cases.

Customizing the output[Quelltext bearbeiten]

Template's default output can be customized with five named parameters, respectively: |yes=, |no=, |blank=, |¬= and |def=. If these parameters are specified, the template response is as follows:

  1. Yes: Template returns the contents of |yes=, otherwise returns "yes". For example:
    • {{yesno|y|yes=Yeah}} results in "Yeah"
    • {{yesno|y|yes=bacon}} results in "bacon"
  2. No: Template returns the contents of |no=, otherwise returns blank. For example:
    • {{yesno|n|no=Nay}} results in "Nay"
    • {{yesno|n|no=ham}} results in "ham"
  3. Nothing: Template returns the contents of |blank= or |no= in absence of the former; otherwise, returns blank.
    • {{yesno|blank=eggs}} results in "eggs"
    • {{yesno|no=ham}} results in "ham"
    • {{yesno|blank=eggs|no=ham}} results in "eggs"
  4. Negation: Template returns the contents of |¬=, otherwise returns blank. For example:
    • {{yesno|¬|¬=sausage}} results in "sausage"
  5. Anything else: Template returns the contents of |def= or |yes= in absence of the former; otherwise, returns "yes".
    • {{yesno|purple monkey dish washer|def=cup of tea}} results in "cup of tea"
    • {{yesno|purple monkey dish washer|yes=bacon}} results in "bacon"
    • {{yesno|purple monkey dish washer|def=cup of tea|yes=bacon}} results in "cup of tea"

For the named parameters, use of a blank value is not the same as omitting the parameter. Blank named parameters tells the template that the customized return value is blank. For example:

  • {{yesno|purple monkey dish washer}} results in "yes"
  • {{yesno|purple monkey dish washer|def=}} results in ""

Logical distinctions[Quelltext bearbeiten]

Overview of {{yesno}} logical values and their associated texts
Input
parameter 1
(sample text)
In code Logical return value Default
return text
Return text when set:
sample text
sample text
sample text
sample text
sample text
Note
yes, y, 1* sample text sample text "yes" "Pos" * Case-insensitive (Y=y)
Some Text sample text sample text "yes" "Def" "Pos" when sample text
no, n, 0* sample text sample text "" "Neg" * Case-insensitive (N=n)
<blank> sample text sample text "" "Blank" "Neg" when sample text
1=<blank> sample text sample text "" "Blank" "Neg" when sample text
¬ sample text sample text "" "Undefined"
<omitted> sample text sample text "" "Undefined"

Full parameter list[Quelltext bearbeiten]

Unnamed parameter 1= the input value to be evaluated. The other parameters (all named, all optional), are the return values for their respective logical outcome. When set, each one overrules their default return value.

{{yesno
|
| yes  =
| no   =
| blank=
| ¬    =
| def  =
}}

See also[Quelltext bearbeiten]

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