Initial data commit

Task/Word-wrap/Elixir/word-wrap.elixir

@@ -0,0 +1,27 @@
+defmodule Word_wrap do
+  def paragraph( string, max_line_length ) do
+    [word | rest] = String.split( string, ~r/\s+/, trim: true )
+    lines_assemble( rest, max_line_length, String.length(word), word, [] )
+      |> Enum.join( "\n" )
+  end
+
+  defp lines_assemble( [], _, _, line, acc ), do: [line | acc] |> Enum.reverse
+  defp lines_assemble( [word | rest], max, line_length, line, acc ) do
+    if line_length + 1 + String.length(word) > max do
+      lines_assemble( rest, max, String.length(word), word, [line | acc] )
+    else
+      lines_assemble( rest, max, line_length + 1 + String.length(word), line <> " " <> word, acc )
+    end
+  end
+end
+
+text = """
+Even today, with proportional fonts and complex layouts, there are still cases where you need to
+wrap text at a specified column. The basic task is to wrap a paragraph of text in a simple way in
+your language. If there is a way to do this that is built-in, trivial, or provided in a standard
+library, show that. Otherwise implement the minimum length greedy algorithm from Wikipedia.
+"""
+Enum.each([72, 80], fn len ->
+  IO.puts String.duplicate("-", len)
+  IO.puts Word_wrap.paragraph(text, len)
+end)