gethead


Purpose
Get a copy of the first elements of a list.
Synopsis
function gethead(l:list, o:integer):list
Arguments
A list
Number of elements to copy if >0 or number of elements to ignore if <0
Return value
A (partial) copy of the list.
Example
L:=[1,2,3,4,5]
L2:=gethead(L,2)    ! => L2=[1,2]
L2:=gethead(L,-1)   ! => L2=[1,2,3,4]
Further information
This function does not alter its input list. If the second parameter is 0 an empty list is returned. If the same parameter is larger than the size of the list the function returns a copy of the original list.
Related topics
gettail


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