Functions Documentation | |
Name | isInt |
Syntax | (isInt expr) -> True/Nil |
Argument List | 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 |
(isInt "Betel")Returns Nil. (isInt 45) Returns True. |
Comment | Useful in error checking like all the condition query functions. |
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