From d45c76eead0143014117e6bdf8c4947a3c6a1c08 Mon Sep 17 00:00:00 2001
From: geeksilva97 <edigleyssonsilva@gmail.com>
Date: Tue, 26 Mar 2024 00:15:56 -0300
Subject: [PATCH] add clause for processing given headers

---
 .tool-versions     | 1 +
 src/cowboy_req.erl | 9 +++++++--
 2 files changed, 8 insertions(+), 2 deletions(-)
 create mode 100644 .tool-versions

diff --git a/.tool-versions b/.tool-versions
new file mode 100644
index 000000000..09d38677d
--- /dev/null
+++ b/.tool-versions
@@ -0,0 +1 @@
+erlang 26.2.2
diff --git a/src/cowboy_req.erl b/src/cowboy_req.erl
index 17bec5e62..7132761ba 100644
--- a/src/cowboy_req.erl
+++ b/src/cowboy_req.erl
@@ -726,9 +726,14 @@ set_resp_header(Name, Value, Req=#{resp_headers := RespHeaders}) ->
 set_resp_header(Name,Value, Req) ->
 	Req#{resp_headers => #{Name => Value}}.
 
+% @todo process headers list - reduce to a map and concat the values of repeated headers, except for set-cookie that will be treated differently
+% @todo define the correct spec
 -spec set_resp_headers_list(list(term()), req())
-set_resp_headers_list(List, Req) ->
-	ok.
+set_resp_headers_list([], Req) ->
+	Req.
+set_resp_headers_list([{Name, Value} | Headers], Req) ->
+	Req1 = set_resp_header(Name, Value, Req),
+	set_resp_headers_list(Headers, Req1).
 
 -spec set_resp_headers(cowboy:http_headers(), Req)
 	-> Req when Req::req().