From 67baf3de84bac8b28201c722aaef31454dd73b50 Mon Sep 17 00:00:00 2001
From: Burak <burakaymakci@gmail.com>
Date: Tue, 11 Jul 2023 09:18:10 +0200
Subject: [PATCH] `response[header]`: Raise when there are multiple values
 (#199)

---
 lib/req/response.ex | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/req/response.ex b/lib/req/response.ex
index 1ba13a6b..5f279dc6 100644
--- a/lib/req/response.ex
+++ b/lib/req/response.ex
@@ -32,6 +32,7 @@ defmodule Req.Response do
     case get_header(response, key) do
       [value] -> {:ok, value}
       [] -> :error
+      _ -> raise "multiple values for header #{key}, use Req.Response.get_header/2 instead"
     end
   end