From e6c6ded1cae77c6352077473b583488793f0edad Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= <essen@ninenines.eu>
Date: Thu, 19 Dec 2019 17:29:06 +0100
Subject: Accept iodata() when building links

---
 src/cow_link.erl | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/cow_link.erl b/src/cow_link.erl
index 3a9526c..6f40464 100644
--- a/src/cow_link.erl
+++ b/src/cow_link.erl
@@ -355,7 +355,11 @@ resolve_test_() ->
 
 %% Build a link header.
 
--spec link([link()]) -> iodata().
+-spec link([#{
+	target := binary(),
+	rel := binary(),
+	attributes := [{binary(), binary()}]
+}]) -> iodata().
 link(Links) ->
 	lists:join(<<", ">>, [do_link(Link) || Link <- Links]).
 
@@ -363,7 +367,7 @@ do_link(#{target := TargetURI, rel := Rel, attributes := Params}) ->
 	[
 		$<, TargetURI, <<">"
 		"; rel=\"">>, Rel, $",
-		[[<<"; ">>, Key, <<"=\"">>, escape(Value, <<>>), $"]
+		[[<<"; ">>, Key, <<"=\"">>, escape(iolist_to_binary(Value), <<>>), $"]
 			|| {Key, Value} <- Params]
 	].
 
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