From 9ef94fb64e3bbec6b2cf7b31b96050c3c67a6438 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= <essen@ninenines.eu>
Date: Sat, 15 Sep 2012 22:51:37 +0200
Subject: Introduce cowboy_req:set_meta/3 to set request metadata

---
 src/cowboy_req.erl | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/cowboy_req.erl')

diff --git a/src/cowboy_req.erl b/src/cowboy_req.erl
index ad6c1a4..2625c58 100644
--- a/src/cowboy_req.erl
+++ b/src/cowboy_req.erl
@@ -49,6 +49,7 @@
 -export([cookies/1]).
 -export([meta/2]).
 -export([meta/3]).
+-export([set_meta/3]).
 
 %% Request body API.
 -export([has_body/1]).
@@ -429,6 +430,15 @@ meta(Name, Req, Default) ->
 		false -> {Default, Req}
 	end.
 
+%% @doc Set metadata information.
+%%
+%% You can use this function to attach information about the request.
+%%
+%% If the value already exists it will be overwritten.
+-spec set_meta(atom(), any(), Req) -> Req when Req::req().
+set_meta(Name, Value, Req=#http_req{meta=Meta}) ->
+	Req#http_req{meta=[{Name, Value}|lists:keydelete(Name, 1, Meta)]}.
+
 %% Request Body API.
 
 %% @doc Return whether the request message has a body.
-- 
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