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-rw-r--r--src/cowboy_req.erl5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/cowboy_req.erl b/src/cowboy_req.erl
index 0745192..eb3a939 100644
--- a/src/cowboy_req.erl
+++ b/src/cowboy_req.erl
@@ -847,7 +847,7 @@ set_resp_body(Body, Req) ->
%% Cowboy will add a "Transfer-Encoding: identity" header to the
%% response.
-spec set_resp_body_fun(resp_body_fun(), Req) -> Req when Req::req().
-set_resp_body_fun(StreamFun, Req) ->
+set_resp_body_fun(StreamFun, Req) when is_function(StreamFun) ->
Req#http_req{resp_body=StreamFun}.
%% @doc Add a body function to the response.
@@ -863,7 +863,8 @@ set_resp_body_fun(StreamFun, Req) ->
%% fewer bytes than declared the behaviour is undefined.
-spec set_resp_body_fun(non_neg_integer(), resp_body_fun(), Req)
-> Req when Req::req().
-set_resp_body_fun(StreamLen, StreamFun, Req) ->
+set_resp_body_fun(StreamLen, StreamFun, Req)
+ when is_integer(StreamLen), is_function(StreamFun) ->
Req#http_req{resp_body={StreamLen, StreamFun}}.
%% @doc Return whether the given header has been set for the response.