X-Git-Url: https://git.xandkar.net/?p=hope.git;a=blobdiff_plain;f=src%2Fhope_option.erl;h=d820b7bc90b2d10ba719508c8f4182c08497c678;hp=c461d04d1b70d3bbd292e954aa21c55eb4921c5e;hb=27a4f25fb636bbff0f8085d66e433125dc5fe17d;hpb=b79afea06befb5309f4a3f0388e587e17c484b83

diff --git a/src/hope_option.erl b/src/hope_option.erl
index c461d04..d820b7b 100644
--- a/src/hope_option.erl
+++ b/src/hope_option.erl
@@ -9,6 +9,7 @@
     [ put/2
     , get/2
     , map/2
+    , iter/2
     ]).
 
 
@@ -35,3 +36,8 @@ get(none     , Y) -> Y.
     t(B).
 map({some, X}, F) -> {some, F(X)};
 map(none     , _) -> none.
+
+-spec iter(t(A), fun((A) -> (ok))) ->
+    ok.
+iter({some, X}, F) -> ok = F(X);
+iter(none     , _) -> ok.