Singly-linked list/Traversal: Difference between revisions
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<pre>
Big fjords vex quick waltz nymph
</pre>
=={{header|ALGOL W}}==
<lang algolw>begin
% record type to hold a singly linked list of integers %
record ListI ( integer iValue; reference(ListI) next );
% inserts a new value after the specified element of a list %
procedure insert( reference(ListI) value list
; integer value newValue
) ;
next(list) := ListI( newValue, next(list) );
% declare variables to hold the list %
reference(ListI) head, pos;
% create a list of integers %
head := ListI( 1701, ListI( 9000, ListI( 42, ListI( 90210, null ) ) ) );
% insert a new value into the list %
insert( next(head), 4077 );
% traverse the list %
pos := head;
while pos not = null do begin
write( iValue(pos) );
pos := next(pos);
end;
end.</lang>
{{out}}
<pre>
1701
9000
4077
42
90210
</pre>
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