diff --git a/view.hpp b/view.hpp
index 02f67f6a..da349e9c 100644
--- a/view.hpp
+++ b/view.hpp
@@ -167,11 +167,24 @@ namespace cruft {
 
 
         //---------------------------------------------------------------------
-        constexpr view (const view &) noexcept = default;
-        constexpr view (view &&) noexcept = default;
+        constexpr view (const view &) noexcept (
+            std::is_nothrow_copy_constructible_v<BeginT> && std::is_nothrow_copy_constructible_v<EndT>
+        ) = default;
 
-        view& operator= (const view &rhs) noexcept = default;
-        view& operator= (view &&rhs) noexcept = default;
+
+        constexpr view (view &&) noexcept (
+            std::is_nothrow_move_constructible_v<BeginT> && std::is_nothrow_move_constructible_v<EndT>
+        ) = default;
+
+
+        view& operator= (view const &rhs) noexcept (
+            std::is_nothrow_copy_assignable_v<BeginT> && std::is_nothrow_copy_assignable_v<EndT>
+        ) = default;
+
+
+        view& operator= (view &&rhs) noexcept (
+            std::is_nothrow_move_assignable_v<BeginT> && std::is_nothrow_move_assignable_v<EndT>
+        ) = default;
 
 
         //---------------------------------------------------------------------