Template:Yesno-yes

yes

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

Usage

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

1. Yes: Case-insensitive forms of "Yes", "y", "true", "on" and "1"; e.g. {{Yesno|yEs}}
2. No: Case-insensitive forms of "No", "n", "false", "off" 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

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 ""

Full parameter list

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  =
}}

TemplateData

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

Template parameters

Parameter		Description	Type	Status
Input value	1	The value to be evaluated	String	required
Output on yes	yes	Specifies the output of the template when the input value is a case-insensitive forms of 'true', 'on', 'Yes', 'Y' or '1'	String	optional
Output on no	no	Specifies the output of the template when the input value is a case-insensitive forms of 'false', 'off', 'No', 'N' or '0'	String	optional
Output on blank input	blank	Specifies the output of the template when the input value is defined but is either empty or contains nothing but whitespace character(s)	String	optional
Output on ¬	¬	Specifies the output of the template when the input value is either '¬' or entirely missing (undefined)	String	optional
Definite output	def	Specifies the output of the template when the input value is defined but not a form of 'yes', 'no', '1', '0', '¬' or blank	String	optional

See Also

• https://www.mediawiki.org/wiki/Template:Yesno

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