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=== isInt ===

See [[http://xelerus.de/index.php?s=functions&function=26|isInt at Xelerus]]

^ Syntax | (isInt expr) -> True/Nil |
^ Arguments | expr: The expression you want to test for being an integer. |
^ Returns | boolean: True if expression is an integer. Nil otherwise. |
^ Category | [[condition query]] |
^ Description | Checks to see if the expression is an integer and if it is returns True. Otherwise returns Nil. |

=== Example ===

<code lisp>(isInt "Betel")</code>
Returns Nil.
<code lisp>(isInt 45)</code>
Returns True.
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