From 10611e9e540dc6a2fd3a8261e0bbedc7a350f4c9 Mon Sep 17 00:00:00 2001
From: bagarey <manjunathbagarey@gmail.com>
Date: Tue, 10 Sep 2019 14:19:19 +0200
Subject: [PATCH 1/2] Improve encoding performance

https://stackoverflow.com/questions/46095870/whats-the-best-way-to-build-long-strings-in-elixir

This has been modified to append short binaries to longer ones.
---
 lib/exoml/encoder.ex | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/lib/exoml/encoder.ex b/lib/exoml/encoder.ex
index fc660d6..578afce 100644
--- a/lib/exoml/encoder.ex
+++ b/lib/exoml/encoder.ex
@@ -5,43 +5,47 @@ defmodule Exoml.Encoder do
   end
 
   defp encode(bin, acc) when is_binary(bin) do
-    bin <> acc
+    acc <> bin
   end
 
   defp encode([node | tl], acc) do
-    encode(node, encode(tl, acc))
+    encode(tl, encode(node, acc))
   end
 
   defp encode([], acc), do: acc
 
   defp encode({:prolog, attrs, nil}, acc) do
-    "<?xml " <> encode_attrs(attrs) <> " ?>" <> acc
+    acc <> "<?xml " <> encode_attrs(attrs) <> " ?>"
   end
 
   defp encode({:doctype, attrs, nil}, acc) do
-    "<!DOCTYPE" <> encode_attrs(attrs) <> " !>" <> acc
+    acc <> "<!DOCTYPE" <> encode_attrs(attrs) <> " !>"
   end
 
   defp encode({tag, [], nil}, acc) do
-    "<#{tag}/>" <> acc
+    acc <> "<#{tag}/>"
   end
 
   defp encode({tag, attrs, nil}, acc) do
-    "<#{tag} #{encode_attrs(attrs)} />" <> acc
+    acc <> "<#{tag} #{encode_attrs(attrs)} />"
   end
 
   defp encode({tag, [], children}, acc) do
-    "<#{tag}>" <> encode(children, "") <> "</#{tag}>" <> acc
+    acc <> "<#{tag}>" <> encode(children, "") <> "</#{tag}>"
   end
 
   defp encode({tag, attrs, children}, acc) do
-    "<" <> tag <> " " <> encode_attrs(attrs) <> ">" <> encode(children, "") <> "</#{tag}>" <> acc
+    acc <> "<" <> tag <> " " <> encode_attrs(attrs) <> ">" <> encode(children, "") <> "</#{tag}>"
   end
 
   defp encode_attrs(attrs) do
     encode_attrs(attrs, "")
   end
 
+  defp encode_attrs([attr | tl], "") do
+    encode_attr(attr) <> encode_attrs(tl)
+  end
+
   defp encode_attrs([attr | tl], acc) do
     trail = encode_attr(attr)
     if acc == "" do

From 2e8af15902d8d4b20e6edb1d1dcfd57243211988 Mon Sep 17 00:00:00 2001
From: bagarey <manjunathbagarey@gmail.com>
Date: Tue, 10 Sep 2019 14:23:16 +0200
Subject: [PATCH 2/2] Align with the fix

https://github.com/Overbryd/exoml/commit/588b75346d787bf8e3dacbf446c6b2c5b6d33725#diff-5e2f4f549b64731d8e261939505fe53a
---
 lib/exoml/encoder.ex | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/lib/exoml/encoder.ex b/lib/exoml/encoder.ex
index 578afce..151add4 100644
--- a/lib/exoml/encoder.ex
+++ b/lib/exoml/encoder.ex
@@ -42,10 +42,6 @@ defmodule Exoml.Encoder do
     encode_attrs(attrs, "")
   end
 
-  defp encode_attrs([attr | tl], "") do
-    encode_attr(attr) <> encode_attrs(tl)
-  end
-
   defp encode_attrs([attr | tl], acc) do
     trail = encode_attr(attr)
     if acc == "" do