Dec

Dec

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.

See also

• Link to RTL documentation: dec
• Inc - Increase value of integer variable.
• Link to RTL documentation: pred - Return previous element for an ordinal type.
• For control_variable := start_point Downto end_point Do statement.