Difference between revisions of "Linklist.getposition"
From OpenEUO
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Revision as of 13:34, 18 December 2010
Calling Pattern
Call
local k = sl.linklist() -- later local n = k.getposition(a[,b])
Arguments
a is a number b optional, is a boolean
Results
n is a number
Example Usage
local k = sl.linklist() local j = k.insertb(0,'one') local j0 = j j = k.insertb(j,'two') j = k.insertb(j,'three') print(k.getpos(j0)) print(k.getpos(j))
--> 3 1
Description
Calling getposition returns the absolute position of a link psuedo-index relative to the head of the list. If b is specified and has a value of false then getposition returns the position relative to the tail of the list. Positions run from 1 to the length of the linked list.