From fe62ea8ee39e5460b663359daf4759e9a379e538 Mon Sep 17 00:00:00 2001
From: Michael Schaefermeyer <michael.schaefermeyer@gmail.com>
Date: Tue, 19 Jul 2016 01:01:18 +0200
Subject: Initial commit

---
 lib/boltex/utils.ex | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 lib/boltex/utils.ex

(limited to 'lib/boltex/utils.ex')

diff --git a/lib/boltex/utils.ex b/lib/boltex/utils.ex
new file mode 100644
index 0000000..333217e
--- /dev/null
+++ b/lib/boltex/utils.ex
@@ -0,0 +1,14 @@
+defmodule Boltex.Utils do
+  def reduce_to_binary(enumerable, transform) do
+    Enum.reduce enumerable, <<>>, fn(data, acc) -> acc <> transform.(data) end
+  end
+
+  def hex_encode(bytes) do
+    for << i <- bytes >>, do: Integer.to_string(i, 16)
+  end
+
+  def hex_decode(hex_list) do
+    for(hex <- hex_list, do: Integer.parse(hex, 16) |> elem(0))
+    |> reduce_to_binary(&<<&1>>)
+  end
+end
-- 
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