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lib/lst.ex
defmodule Lst do
@moduledoc """
List library.
"""
@doc """
Pad number at zero (string return)
## Examples
iex> Lst.to_csv( [ 1, "ab", 8, true ] )
"1, ab, 8, true"
"""
def to_csv( list ), do: list |> Enum.reduce( "", fn( x, acc ) -> "#{acc}, #{x}" end ) |> String.slice( 2..-1 )
end