From 37e98f019ddf789c8523035f59ee4c43858db583 Mon Sep 17 00:00:00 2001
From: Danielle Sucher <dsucher@gmail.com>
Date: Thu, 3 Oct 2013 23:44:53 -0400
Subject: Clarify error msg for route lacking starting slash

---
 src/cowboy_router.erl | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/cowboy_router.erl b/src/cowboy_router.erl
index e52b70b..16af2d4 100644
--- a/src/cowboy_router.erl
+++ b/src/cowboy_router.erl
@@ -92,7 +92,10 @@ compile_paths([{<< $/, PathMatch/binary >>, Constraints, Handler, Opts}|Tail],
 		Acc) ->
 	PathRules = compile_rules(PathMatch, $/, [], [], <<>>),
 	Paths = [{lists:reverse(R), Constraints, Handler, Opts} || R <- PathRules],
-	compile_paths(Tail, Paths ++ Acc).
+	compile_paths(Tail, Paths ++ Acc);
+compile_paths([{PathMatch, _, _, _}|_], _) ->
+	error({badarg, "The following route MUST begin with a slash: "
+		++ binary_to_list(PathMatch)}).
 
 compile_rules(<<>>, _, Segments, Rules, <<>>) ->
 	[Segments|Rules];
-- 
cgit v1.2.3