diff --git a/view.hpp b/view.hpp
index 6ce7de96..04b9a817 100644
--- a/view.hpp
+++ b/view.hpp
@@ -1032,6 +1032,28 @@ namespace cruft {
     }
 
 
+    ///////////////////////////////////////////////////////////////////////////
+    template <
+        typename IteratorA,
+        typename IteratorB,
+        typename ValueT
+    >
+    requires (
+        std::equality_comparable_with<
+            typename std::iterator_traits<IteratorA>::value_type,
+            ValueT
+        >
+    )
+    bool
+    contains (view<IteratorA, IteratorB> container, ValueT &&value)
+    {
+        for (auto const &inner: container)
+            if (inner == value)
+                return true;
+        return false;
+    }
+
+
     ///////////////////////////////////////////////////////////////////////////
     template <
         typename BeginA, typename EndA,