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fredyr/tree.ex

Last active December 8, 2015 20:31
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tree.ex
# center a string s on position c
# cent("0", 5) => " 0 "
# cent("000", 5) => " 000 "
# but we ignore right side spaces
cent = fn(s, c) ->
String.duplicate(" ", div(c - String.length(s), 2)) <> s
end
# piping through partials?
# SAAD PUPPY :'(
12 |> (&String.duplicate("0", &1)).()
IO.puts(Enum.join(
Enum.map([1,3,5,7,9,11],
&(cent.(String.duplicate("0", &1), 15))), "\n"))
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