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Diffstat (limited to 'src/cowboy_req.erl')
| -rw-r--r-- | src/cowboy_req.erl | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/cowboy_req.erl b/src/cowboy_req.erl index 8edf4ff..995d67c 100644 --- a/src/cowboy_req.erl +++ b/src/cowboy_req.erl @@ -1024,7 +1024,12 @@ filter([], Map, Errors) -> _ -> {error, Errors} end; filter([{Key, Constraints}|Tail], Map, Errors) -> - filter_constraints(Tail, Map, Errors, Key, maps:get(Key, Map), Constraints); + case maps:find(Key, Map) of + {ok, Value} -> + filter_constraints(Tail, Map, Errors, Key, Value, Constraints); + error -> + filter(Tail, Map, Errors#{Key => required}) + end; filter([{Key, Constraints, Default}|Tail], Map, Errors) -> case maps:find(Key, Map) of {ok, Value} -> |