diff --git a/Funcky/Extensions/EnumeratorExtensions.cs b/Funcky/Extensions/EnumeratorExtensions.cs
new file mode 100644
index 00000000..05db4e63
--- /dev/null
+++ b/Funcky/Extensions/EnumeratorExtensions.cs
@@ -0,0 +1,12 @@
+namespace Funcky.Extensions;
+
+public static class EnumeratorExtensions
+{
+    /// <summary>Advances the enumerator and returns <c>Some</c> with new element of enumeration
+    /// or <see cref="Option{TItem}.None"/> if no more elements are available.</summary>
+    public static Option<T> MoveNextOrNone<T>(this IEnumerator<T> enumerator)
+        where T : notnull
+        => enumerator.MoveNext()
+            ? enumerator.Current
+            : Option<T>.None;
+}
diff --git a/Funcky/PublicAPI.Unshipped.txt b/Funcky/PublicAPI.Unshipped.txt
index ec095891..b6f13844 100644
--- a/Funcky/PublicAPI.Unshipped.txt
+++ b/Funcky/PublicAPI.Unshipped.txt
@@ -1,4 +1,5 @@
 #nullable enable
+Funcky.Extensions.EnumeratorExtensions
 Funcky.Monads.Either<TLeft, TRight>.InspectLeft(System.Action<TLeft>! inspector) -> Funcky.Monads.Either<TLeft, TRight>
 Funcky.Monads.Either<TLeft, TRight>.OrElse(Funcky.Monads.Either<TLeft, TRight> fallback) -> Funcky.Monads.Either<TLeft, TRight>
 Funcky.Monads.Either<TLeft, TRight>.OrElse(System.Func<TLeft, Funcky.Monads.Either<TLeft, TRight>>! fallback) -> Funcky.Monads.Either<TLeft, TRight>
@@ -8,3 +9,4 @@ Funcky.Monads.Result<TValidResult>.GetOrElse(TValidResult fallback) -> TValidRes
 Funcky.Monads.Result<TValidResult>.InspectError(System.Action<System.Exception!>! inspector) -> Funcky.Monads.Result<TValidResult>
 Funcky.Monads.Result<TValidResult>.OrElse(Funcky.Monads.Result<TValidResult> fallback) -> Funcky.Monads.Result<TValidResult>
 Funcky.Monads.Result<TValidResult>.OrElse(System.Func<System.Exception!, Funcky.Monads.Result<TValidResult>>! fallback) -> Funcky.Monads.Result<TValidResult>
+static Funcky.Extensions.EnumeratorExtensions.MoveNextOrNone<T>(this System.Collections.Generic.IEnumerator<T>! enumerator) -> Funcky.Monads.Option<T>