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leostera/tail_sublist.erl

Last active August 29, 2015 13:56
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tail_sublist.erl
% Chapter 5: Hello Recursion!
% Subtitle: A sublist function
tail_sublist(L, N) -> tail_sublist(L, N, []).
tail_sublist(_, 0, SubList) -> SubList;
tail_sublist([], _, SubList) -> SubList;
tail_sublist([H|T], N, SubList) when N > 0 ->
tail_sublist(T, N-1, [H|SubList]).
% shouldn't this be
% tail_sublist(T, N-1, Sublist++[H]). ?
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