if: Difference between revisions

Revision as of 08:26, 8 August 2008

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Description:

The standard if, then, else constuct available in many languages. This syntax however has alternate forms in the manner of an Array.

Result of the Code executed is returned as the result to this command (which may be Nothing}.

Groups:

Uncategorised

Syntax:

Parameters:

condition: statement that returns a Boolean

Return Value:

If Type- Predicate which will execute 1st or 2nd option when used.

Example 1:: _retVal = if (1 > 0) then {"It's true"} else {"It's false"}; hint str _retVal

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Only post proven facts here! Add Note

Posted on August 4, 2006 - 10:55
hardrock: Notes from before the conversion: Standard syntax: = if a then b Compound clause syntax (multiple actions) "if a then x, y, z" or "if a then x; y; z"
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: @@
 |p1= condition: statement that returns a [[Boolean]] |= Parameter 1
-|p2= [[Code]]: statement(s) executed when condition true, or false |= Parameter 1
+| [[If Type]]- Predicate which will execute 1st or 2nd option when used. |= Return value
-| [[Anything]]- Dependent on [[Code]] executed |= Return value
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