= cowboy_req:has_resp_body(3) == Name cowboy_req:has_resp_body - Is there a response body? == Description [source,erlang] ---- has_resp_body(Req :: cowboy_req:req()) -> boolean() ---- Return whether a response body has been set. == Arguments Req:: The Req object. == Return value A boolean indicating whether a response body has been set. This function will return `false` when an empty response body has been set. == Changelog * *1.0*: Function introduced. == Examples .Check whether a body has been set [source,erlang] ---- 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). ---- == See also link:man:cowboy_req(3)[cowboy_req(3)], link:man:cowboy_req:set_resp_body(3)[cowboy_req:set_resp_body(3)]