X-Git-Url: https://git.xandkar.net/?a=blobdiff_plain;f=src%2Fhope_kv_list.erl;h=6e3442d94ef7703f8e947448883327dc658d41b2;hb=HEAD;hp=c12f3b4e3f9f604afc3c2c4df846f648eb4bb4b4;hpb=67535be2404f057f0df3e128c24b484f066996a4;p=hope.git

diff --git a/src/hope_kv_list.erl b/src/hope_kv_list.erl
index c12f3b4..6e3442d 100644
--- a/src/hope_kv_list.erl
+++ b/src/hope_kv_list.erl
@@ -105,11 +105,12 @@ pop(T1, K) ->
     ;   false               -> {none     , T1}
     end.
 
--spec iter(t(K, V), fun((K, V) -> ok)) ->
-    ok.
+-spec iter(t(K, V), fun((K, V) -> any())) ->
+    {}.
 iter(T, F1) ->
     F2 = lift_map(F1),
-    lists:foreach(F2, T).
+    ok = lists:foreach(F2, T),
+    {}.
 
 -spec map(t(K, V), fun((K, V) -> V)) ->
     t(K, V).