then: Difference between revisions

Revision as of 06:13, 5 September 2007

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Description:: then is not a stand-alone command. It can only be used as part of the if statement
Groups:: Uncategorised

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Ceeeb: Any variables you declare within the body of an if/then statement (ie between the curly braces) are local to that 'if' statement, and are destroyed at the end of the statement. If you know you want to use the variable outside the 'if' statement, make sure your declare it before the 'if' statement.

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-| First or second element of array is executed depending on result of [[if]] condition. Result of the expression executed is returned as a result (result may be nothing).  |= Description
+| '''then''' is not a stand-alone command. It can only be used as part of the [[if]] statement  |= Description
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-| if '''then''' else |= Syntax
-|p1= if: [[If Type]] |= Parameter 1
-|p2= else: [[Array]] |= Parameter 2
-| [[Anything]] |= Return value
-____________________________________________________________________________________________
-|x1 = <code>[[if]] (a>b) then <nowiki>{c=1}</nowiki> [[else]] <nowiki>{c=2}</nowiki></code> | = Example 1
-|x2 = <code>[[if]] (a>b) then <nowiki>{c=1;c=2}</nowiki></code>| = Example 2
 | [[Control Structures]], [[if]], [[else]] |= See also