is_constructible_v for Make-ptrs functions (MakeHolder)

ilnurkh · ilnurkh · commit bd1bdb4955ff · 2025-10-29T00:37:49.000+03:00
commit_hash:f49e7f6d65b455df3297b7b534949a9ef9236e0c
diff --git a/util/generic/ptr.h b/util/generic/ptr.h
@@ -381,7 +381,7 @@ class THolder: public TPointerBase<THolder<T, D>, T> {
     T* T_;
 };
 
-template <typename T, typename... Args>
+template <typename T, typename... Args, class = std::enable_if_t<std::is_constructible_v<T, Args...>>>
 [[nodiscard]] THolder<T> MakeHolder(Args&&... args) {
     return THolder<T>(new T(std::forward<Args>(args)...));
 }

Original file line number	Diff line number	Diff line change
`@@ -381,7 +381,7 @@ class THolder: public TPointerBase<THolder<T, D>, T> {`
`381`	`381`	`T* T_;`
`382`	`382`	`};`
`383`	`383`
`384`		`-template <typename T, typename... Args>`
	`384`	`+template <typename T, typename... Args, class = std::enable_if_t<std::is_constructible_v<T, Args...>>>`
`385`	`385`	`[[nodiscard]] THolder<T> MakeHolder(Args&&... args) {`
`386`	`386`	`return THolder<T>(new T(std::forward<Args>(args)...));`
`387`	`387`	`}`