From a5f9b06610f806c08863d95a7100cb4e3244a648 Mon Sep 17 00:00:00 2001
From: Tristan Himmelman <tristanhimmelman@gmail.com>
Date: Thu, 11 Feb 2016 13:16:26 -0400
Subject: [PATCH] 40-50% performance fix

---
 ObjectMapper/Core/Map.swift | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ObjectMapper/Core/Map.swift b/ObjectMapper/Core/Map.swift
index 1afde513..78c642cd 100644
--- a/ObjectMapper/Core/Map.swift
+++ b/ObjectMapper/Core/Map.swift
@@ -53,7 +53,8 @@ public final class Map {
 	/// The Key paramater can be a period separated string (ex. "distance.value") to access sub objects.
 	public subscript(key: String) -> Map {
 		// save key and value associated to it
-		return self[key, nested: true]
+		let nested = key.containsString(".")
+		return self[key, nested: nested]
 	}
 	
 	public subscript(key: String, nested nested: Bool) -> Map {