From ba14cf783820deb52ea0a810dd457ee179d7e30d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= <essen@ninenines.eu>
Date: Wed, 21 Dec 2016 15:47:44 +0100
Subject: Add man pages for the reply functions

---
 doc/src/manual/cowboy_req.has_resp_header.asciidoc | 54 ++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 doc/src/manual/cowboy_req.has_resp_header.asciidoc

(limited to 'doc/src/manual/cowboy_req.has_resp_header.asciidoc')

diff --git a/doc/src/manual/cowboy_req.has_resp_header.asciidoc b/doc/src/manual/cowboy_req.has_resp_header.asciidoc
new file mode 100644
index 0000000..d6ada37
--- /dev/null
+++ b/doc/src/manual/cowboy_req.has_resp_header.asciidoc
@@ -0,0 +1,54 @@
+= cowboy_req:has_resp_header(3)
+
+== Name
+
+cowboy_req:has_resp_header - Is the given response header set?
+
+== Description
+
+[source,erlang]
+----
+has_resp_header(Name, Req :: cowboy_req:req()) -> boolean()
+
+Name :: binary()  %% lowercase; case insensitive
+----
+
+Return whether the given response header has been set.
+
+The header name must be given as a lowercase binary string.
+While header names are case insensitive, Cowboy requires them
+to be given as lowercase to function properly.
+
+== Arguments
+
+Name::
+
+Header name as a lowercase binary string.
+
+Req::
+
+The Req object.
+
+== Return value
+
+A boolean indicating whether the given response header has been set.
+
+== Changelog
+
+* *1.0*: Function introduced.
+
+== Examples
+
+.Check whether the content-type header has been set
+[source,erlang]
+----
+false = cowboy_req:has_resp_header(<<"content-type">>, Req0),
+Req = cowboy_req:set_resp_header(<<"content-type">>, <<"text/html">>, Req0),
+true = cowboy_req:has_resp_header(<<"content-type">>, Req).
+----
+
+== See also
+
+link:man:cowboy_req(3)[cowboy_req(3)],
+link:man:cowboy_req:set_resp_header(3)[cowboy_req:set_resp_header(3)],
+link:man:cowboy_req:delete_resp_header(3)[cowboy_req:delete_resp_header(3)]
-- 
cgit v1.2.3

