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Doubly-linked list/Traversal: Difference between revisions
→{{header|PureBasic}}: Added PureBasic
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</lang>
=={{header|PureBasic}}==
<lang PureBasic>NewList MyData.i() ; Create a double linked list holding a single value (integer)
;Set up a randomly long linked list in the range 25-125 elements
For i=0 To (Random(100)+25)
AddElement(MyData()) ; Create a new tailing element
MyData()=Random(314) ; Inert a vale into it
Next
;
;Traverse from the beginning of a doubly-linked list to the end.
FirstElement(MyData())
Repeat
Debug MyData() ; Present the value in the current cell
Until Not NextElement(MyData())
;
;Traverse from the end to the beginning.
LastElement(MyData())
Repeat
Debug MyData() ; Present the value in the current cell
Until Not PreviousElement(MyData())</lang>
=={{header|Ruby}}==
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