Purpose
Cut
the first elements of a list.
Synopsis
procedure cuthead(l:list, o:integer)
Arguments
|
l
|
A list
|
|
o
|
Number of elements to remove if >0 or number
of elements to keep if <0
|
Example
L:=[1,2,3,4,5]
cuthead(L,2) ! => L=[3,4,5]
cuthead(L,-1) ! => L=[5]
Further information
If the second parameter is 0, the list is unchanged. If the same parameter
is larger than the size of the list, all elements are deleted.
Related topics
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