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49 lines
880 B
Text
49 lines
880 B
Text
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= cowboy_req:has_resp_body(3)
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== Name
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cowboy_req:has_resp_body - Is there a response body?
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== Description
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[source,erlang]
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----
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has_resp_body(Req :: cowboy_req:req()) -> boolean()
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----
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Return whether a response body has been set.
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== Arguments
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Req::
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The Req object.
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== Return value
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A boolean indicating whether a response body has been set.
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This function will return `false` when an empty response
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body has been set.
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== Changelog
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* *1.0*: Function introduced.
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== Examples
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.Check whether a body has been set
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[source,erlang]
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----
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false = cowboy_req:has_resp_body(Req0),
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Req1 = cowboy_req:set_resp_body(<<"Hello!">>, Req0),
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true = cowboy_req:has_resp_body(Req1),
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Req = cowboy_req:set_resp_body(<<>>, Req1),
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false = cowboy_req:has_resp_body(Req).
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----
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== See also
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link:man:cowboy_req(3)[cowboy_req(3)],
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link:man:cowboy_req:set_resp_body(3)[cowboy_req:set_resp_body(3)]
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