cond

Written by Balazs Halasy, 02/05/2004 Updated 05/04/2005 by Balazs Halasy

Summary

Returns the value of the first clause who's condition is TRUE.

Usage

cond( cond1, value1 [, cond2, value2 [, ... ] ] )

Parameters

Name	Type	Description	Required
cond1	boolean	Match condition 1.	Yes.
value1	any	Return value for condition 1.	Yes.
cond2	boolean	Match condition 2.	No.
value2	any	Return value for condition 2.	No.

Returns

One of the provided values or FALSE.

Description

This operator evaluates the provided conditions (odd numbered parameters). If one of the conditions evaluates to TRUE then the value which is associated with that condition is returned. If none of the conditions are TRUE, the operator will return FALSE. If an odd number of parameters are provided, the operator will return the last parameter if all conditions fail.

Examples

Example 1

{cond( true(), 'apples', true(), 'bananas' )}

The following output will be produced: "apples".

Example 2

{cond( false(), 'apples', true(), 'bananas' )}

The following output will be produced: "bananas".

Example 3

{cond( false(), 'apples', false(), 'bananas' )}

No output will be produced, the operator will return FALSE.

Example 4

{cond( false(), 'apples', 'bananas' )}