if: Difference between revisions

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m (More accurate typing (using helper types))
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|p1= condition: statement that returns a [[Boolean]] |= Parameter 1
|p1= condition: statement that returns a [[Boolean]] |= Parameter 1
| [[If Type]]- Predicate which will execute 1st or 2nd option when used. |= Return value
| [[If Type]] - Predicate which will execute 1st or 2nd option when used. |= Return value
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Revision as of 08:27, 8 August 2008

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Description

Description:
The standard if, then, else constuct available in many languages. This syntax however has alternate forms in the manner of an Array.
  • if (condition) then {code} else {code}
  • if (condition) then [ {code},{code} ]
Result of the Code executed is returned as the result to this command (which may be Nothing}.
Groups:
Uncategorised

Syntax

Syntax:
Parameters:
condition: statement that returns a Boolean
Return Value:
If Type - Predicate which will execute 1st or 2nd option when used.

Examples

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

Additional Information

See also:
elseControl Structuresthen

Notes

Report bugs on the Feedback Tracker and/or discuss them on the Arma Discord or on the Forums.
Only post proven facts here! Add Note

Notes

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.

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