2016 Update

Task/Range-extraction/Elixir/range-extraction.elixir

@@ -2,21 +2,21 @@ defmodule RC do
   def range_extract(list) do
     max = Enum.max(list) + 2
     sorted = Enum.sort([max|list])
-    canidate_number = hd(sorted)
+    candidate_number = hd(sorted)
     current_number = hd(sorted)
-    extract(tl(sorted), canidate_number, current_number, [])
+    extract(tl(sorted), candidate_number, current_number, [])
   end
 
   defp extract([], _, _, range), do: Enum.reverse(range) |> Enum.join(",")
-  defp extract([next|rest], canidate, current, range) when current+1 >= next do
-    extract(rest, canidate, next, range)
+  defp extract([next|rest], candidate, current, range) when current+1 >= next do
+    extract(rest, candidate, next, range)
   end
-  defp extract([next|rest], canidate, current, range) when canidate == current do
+  defp extract([next|rest], candidate, current, range) when candidate == current do
     extract(rest, next, next, [to_string(current)|range])
   end
-  defp extract([next|rest], canidate, current, range) do
-    seperator = if canidate+1 == current, do: ",", else: "-"
-    str = "#{canidate}#{seperator}#{current}"
+  defp extract([next|rest], candidate, current, range) do
+    separator = if candidate+1 == current, do: ",", else: "-"
+    str = "#{candidate}#{separator}#{current}"
     extract(rest, next, next, [str|range])
   end
 end