Difference between revisions of "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]]. | Dec (decrement) [[Procedure|procedure]] in Pascal programming let you easily subtract 1 (or some other value) from, a [[Variable|variable]]. | ||
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* Link to RTL documentation: [[doc:/rtl/system/pred.html |pred]] - Return previous element for an ordinal type. | * Link to RTL documentation: [[doc:/rtl/system/pred.html |pred]] - Return previous element for an ordinal type. | ||
* [[For]] control_variable := start_point [[Downto]] end_point [[Do]] statement. | * [[For]] control_variable := start_point [[Downto]] end_point [[Do]] statement. | ||
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Revision as of 21:15, 24 November 2015
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Dec (decrement) procedure in Pascal programming let you easily subtract 1 (or some other value) from, a variable.
For example, using (decrement) procedure, you can reduce 1 to a variable named a like this:
dec( a );
If you want to reduce by two (or some other value):
dec( a, 2 );
Dec procedure included System Unit.