1 files changed, 17 insertions, 0 deletions
diff --git a/src/code/2/my_map_red.exs b/src/code/2/my_map_red.exs
new file mode 100644
index 0000000..51f47f8
--- /dev/null
+++ b/src/code/2/my_map_red.exs
@@ -0,0 +1,17 @@
+defmodule MapReduce do
+  def reduce([], acc, _), do: acc
+  def reduce([h|t], acc, f) do
+    reduce(t, f.(h, acc), f)
+  end
+
+  def map([], _), do: []
+  def map(l, f) do
+    reduce(l, [], fn(x, acc) -> acc ++ [f.(x)] end)
+  end
+end
+
+[1, 2, 3, 4, 5]
+|> MapReduce.map(fn(x) -> x * 2 end)
+|> IO.inspect
+|> MapReduce.reduce(0, fn(x, acc) -> acc + x end)
+|> IO.inspect