then: Difference between revisions

Revision as of 06:15, 31 January 2007

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Description:: 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).
Groups:: Uncategorised

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Only post proven facts here! Add Note

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.

@@ Line 20: / Line 20: @@
 |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]] |= See also
+| [[Control Structures]], [[if]], [[else]] |= See also
 }}
@@ Line 27: / Line 27: @@
 <dl class="command_description">
 <!-- Note Section BEGIN -->
+<dt class="note">'''[[User:Ceeeb|Ceeeb]]'''</dt>
+<dd class="note">
+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.
+</dd>
 <!-- Note Section END -->
 </dl>