construct: add final and [[nodiscard]]

1 files changed, 5 insertions, 4 deletions

diff --git a/nihil.util/construct.ccm b/nihil.util/construct.ccm
index 0a0d85d..894a446 100644
--- a/nihil.util/construct.ccm
+++ b/nihil.util/construct.ccm
@@ -8,14 +8,15 @@ namespace nihil {
 // A functor that constructs objects of an arbitrary type.
 // Useful for std::views::transform.
 template <typename T>
-struct construct_fn {
-	auto operator()(this construct_fn const &, auto &&...args) -> T
+struct construct_fn final
+{
+	[[nodiscard]] auto operator()(this construct_fn const &, auto &&...args) -> T
 	{
 		return T(std::forward<decltype(args)>(args)...);
 	}
 };
 
-export template<typename T>
+export template <typename T>
 inline constexpr auto construct = construct_fn<T>{};
 
-}
+} // namespace nihil