From d358e80937c19e9c803d910940d51b0d1b83e821 Mon Sep 17 00:00:00 2001
From: Tom Payne <twpayne@gmail.com>
Date: Sun, 24 Nov 2013 14:33:58 +0100
Subject: [PATCH] Improve type checking in ol.TileRange

---
 src/ol/tilerange.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/ol/tilerange.js b/src/ol/tilerange.js
index a53723ed53..4ac7b36f3c 100644
--- a/src/ol/tilerange.js
+++ b/src/ol/tilerange.js
@@ -46,12 +46,12 @@ ol.TileRange = function(minX, maxX, minY, maxY) {
  * @return {!ol.TileRange} Bounding tile box.
  */
 ol.TileRange.boundingTileRange = function(var_args) {
-  var tileCoord0 = arguments[0];
+  var tileCoord0 = /** @type {ol.TileCoord} */ (arguments[0]);
   var tileRange = new ol.TileRange(tileCoord0.x, tileCoord0.x,
                                    tileCoord0.y, tileCoord0.y);
   var i, ii, tileCoord;
   for (i = 1, ii = arguments.length; i < ii; ++i) {
-    tileCoord = arguments[i];
+    tileCoord = /** @type {ol.TileCoord} */ (arguments[i]);
     goog.asserts.assert(tileCoord.z == tileCoord0.z);
     tileRange.minX = Math.min(tileRange.minX, tileCoord.x);
     tileRange.maxX = Math.max(tileRange.maxX, tileCoord.x);