has_resp_body(Req :: cowboy_req:req()) -> boolean()
cowboy_req:has_resp_body - Is there a response body?
has_resp_body(Req :: cowboy_req:req()) -> boolean()
Return whether a response body has been set.
The Req object.
A boolean indicating whether a response body has been set.
This function will return false when an empty response body has been set.
false = cowboy_req:has_resp_body(Req0), Req1 = cowboy_req:set_resp_body(<<"Hello!">>, Req0), true = cowboy_req:has_resp_body(Req1), Req = cowboy_req:set_resp_body(<<>>, Req1), false = cowboy_req:has_resp_body(Req).
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