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operator  

is keyed

 

 

Return type: Boolean
Returns:       

Returns true if the item has a key, and false otherwise. Replacing is with isnt will reverse the results.



Syntax
  shelf-name indexer? (is | isnt) keyed


Purpose

Tests whether the specified shelf item has a key associated with it.

If no item is specified, then the test looks at the default item. This form is primarily useful either within actions modified by the using prefix or in functions.

An error is produced if the specified item does not exist.

      Related Concepts
   Shelves
 
 

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OmniMark 7.1.2 Documentation Generated: June 28, 2005 at 5:45:22 pm
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