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Predloga:Yesno-no

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{{Yesno}} (or {{YesNo}}) evaluates any input and produces a normalized yes or nil output, based on the content of the input and several configurable options. It is not used in article prose, but in coding complex templates.

Usage

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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 nil (blank, empty string) in the other cases.

Two short-hand templates for the most common uses that override the default behavior:

  • {{yesno-yes}} or {{YesNo-Yes}} – always returns "yes" (or the specified replacement result in |yes=) unless an explicit negative value is given; i.e., it evaluates to "yes" even when the value is empty or missing.
  • {{yesno-no}} or {{YesNo-No}} – always returns "no" (or the specified replacement result in |no=) unless an explicit positive value is given; i.e., it evaluates to "no" even when the value is present, as long as it does not contain anything that resolves to "yes".

Customizing the output

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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 of |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 of |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. A blank named parameter 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 "" [blank]

Logical distinctions

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Overview of {{yesno}} logical values and their associated texts
Input
parameter 1
(1=)
In code Logical return value Default
return text
Return text when set:
yes=Pos
no=Neg
blank=Blank
¬=Undefined
def=Def
Note
yes, y, true, 1* {{yesno|yes}} yes by definition "yes" "Pos" * Case-insensitive (Y=y)
Some Text {{yesno|Some Text}} yes by default "yes" "Def" "Pos" when def=[omitted]
no, n, false, 0* {{yesno|no}} no by definition "" [blank] "Neg" * Case-insensitive (N=n)
[blank] {{yesno|}} blank "" [blank] "Blank" "Neg" when blank=[omitted]
1=[blank] {{yesno|1=}} blank "" [blank] "Blank" "Neg" when blank=[omitted]
¬ {{yesno|¬}} ¬ "" [blank] "Undefined"
[omitted] {{yesno}} ¬ "" [blank] "Undefined"
Comparison with related templates
Input parameter 1 (1=) {{yesno}} {{yesno-yes}} {{yesno-no}}
yes, y, true, 1* "yes" "yes" "yes"
Some Text "yes" "yes" "no"
no, n, false, 0* "" [blank] "no" "no"
[blank] "" [blank] "yes" "no"
1=[blank] "" [blank] "yes" "no"
¬ "" [blank] "yes" "no"
[omitted] "" [blank] "yes" "no"

Full parameter list

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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

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  • Module:yesno
  • {{Yesno-yes}} – variant of Yesno that defaults to "yes" if value is not explicitly negative
  • {{Yesno-no}} – variant of Yesno that defaults to "no" if value is not explicitly positive

TemplateData

[uredi kodo]
To je dokumentacija TemplateData za predlogo, ki jo uporabljajo Vizualni urejevalnik in druga orodja; glejte mesečno poročilo o uporabi parametrov za to predlogo.

TemplateData za Yesno-no

This template normalises an input to be a yes or nil output.

Parametri predloge[Urejanje podatkov predloge]

ParameterOpisVrstaStanje
Input value1

The value to be evaluated

Nizzahtevano
Output on yesyes

Specifies the output of the template when the input value is a case-insensitive forms of 'Yes', 'Y', 'True' or '1'

Nizneobvezno
Output on nono

Specifies the output of the template when the input value is a case-insensitive forms of 'No', 'N', 'False, or '0'

Nizneobvezno
Output on blank inputblank

Specifies the output of the template when the input value is defined but is either empty or contains nothing but whitespace character(s)

Nizneobvezno
Output on ¬¬

Specifies the output of the template when the input value is either '¬' or entirely missing (undefined)

Nizneobvezno
Definite outputdef

Specifies the output of the template when the input value is defined but not a form of 'yes', 'no', '1', '0', '¬' or blank

Nizneobvezno