Traverse from the beginning of a singly-linked list to the end.



See also

 Array
 Associative array: Creation, Iteration
 Collections
 Compound data type
 Doubly-linked list: Definition, Element definition, Element insertion, List Traversal, Element Removal
 Linked list
 Queue: Definition, Usage
 Set
 Singly-linked list: Element definition, Element insertion, List Traversal, Element Removal
 Stack


oo::define List {
    method for {varName script} {
        upvar 1 $varName var
        set elem [self]
        while {$elem ne ""} {
            set var [$elem value]
            uplevel 1 $script
            set elem [$elem next]
        }
    }
}