Brian Dunning's FileMaker Custom Functions

DQ_Count ( deque )

Returns the number of items in a deque (stack, queue)

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Stephen Hanna   Stephen Hanna
Stephen J. Hanna Consulting
http://www.sjhanna.com

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  Sample input:
DQ_Count ( $myDeque )
  Sample output:
6

  Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

This is the "count" function of the DeQue (double-ended queue) function package. It returns the number of items in the specified DeQue. See DQ_New() for a complete description.

Typical usage scenario:

Set Variable [ $myDeque ; DQ_New ( "apple " ) ]
Set Variable [ $dummy ; DQ_Push ( $myDeque ; "banana" ) ]
Set Variable [ $dummy ; DQ_Put ( $myDeque ; "kumquat" ) ]
Set Variable ( $count ; DQ_Count ( $myDeque ) ] // $count = 3

 

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Note: these functions are not guaranteed or supported by BrianDunning.com. Please contact the individual developer with any questions or problems.

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