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Add hope_option:of_result/1
[hope.git]
/
src
/
hope_option.erl
diff --git
a/src/hope_option.erl
b/src/hope_option.erl
index
d820b7b
..
ab6eab7
100644
(file)
--- a/
src/hope_option.erl
+++ b/
src/hope_option.erl
@@
-10,6
+10,7
@@
, get/2
, map/2
, iter/2
+ , of_result/1
]).
@@
-41,3
+42,8
@@
map(none , _) -> none.
ok.
iter({some, X}, F) -> ok = F(X);
iter(none , _) -> ok.
+
+-spec of_result(hope_result:t(A, _B)) ->
+ t(A).
+of_result({ok, X}) -> {some, X};
+of_result({error, _}) -> none.
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