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| − | = Dec =
| + | #REDIRECT [[Inc and Dec]] |
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| − | Dec (decrement) [[Procedure|procedure]] in Pascal programming let you easily subtract 1 (or some other value) from, a [[Variable|variable]].
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| − | For example, using (decrement) procedure, you can reduce 1 to a variable named a like this:
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| − | <syntaxhighlight>
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| − | dec( a );
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| − | </syntaxhighlight>
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| − | If you want to reduce by two (or some other value):
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| − | <syntaxhighlight>
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| − | dec( a, 2 );
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| − | </syntaxhighlight>
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| − | Dec procedure included [[System]] [[Unit]]. | |
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| − | == See also ==
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| − | * Link to RTL documentation: [[doc:rtl/system/dec.html |dec]]
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| − | * [[Inc]] - Increase value of integer variable.
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| − | * Link to RTL documentation: [[doc:/rtl/system/pred.html |pred]] - Return previous element for an ordinal type.
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| − | * [[For]] control_variable := start_point [[Downto]] end_point [[Do]] statement.
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