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-rw-r--r--src/cowboy_router.erl5
1 files changed, 4 insertions, 1 deletions
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];