Make cpp2::move constexpr (#1106)

bluetarpmedia · hsutter · web-flow · commit 963f06f27bcd · 2024-06-13T10:31:25.000-07:00
* cpp2::move is now constexpr

* Add `inline` too

---------

Co-authored-by: Herb Sutter &lt;herb.sutter@gmail.com&gt;
diff --git a/include/cpp2util.h b/include/cpp2util.h
@@ -485,13 +485,13 @@ concept valid_custom_is_operator = predicate_member_fun<X, F, &F::op_is>
 
 template <typename T>
     requires (std::is_copy_constructible_v<std::remove_cvref_t<T>>)
-auto move(T&& t) -> decltype(auto) {
+inline constexpr auto move(T&& t) -> decltype(auto) {
     return std::move(t);
 }
 
 template <typename T>
     requires (!std::is_copy_constructible_v<std::remove_cvref_t<T>>)
-auto move(T&& t) -> decltype(auto) {
+inline constexpr auto move(T&& t) -> decltype(auto) {
     return std::forward<T>(t);
 }
 

Original file line number	Diff line number	Diff line change
`@@ -485,13 +485,13 @@ concept valid_custom_is_operator = predicate_member_fun<X, F, &F::op_is>`
`485`	`485`
`486`	`486`	`template <typename T>`
`487`	`487`	`requires (std::is_copy_constructible_v<std::remove_cvref_t<T>>)`
`488`		`-auto move(T&& t) -> decltype(auto) {`
	`488`	`+inline constexpr auto move(T&& t) -> decltype(auto) {`
`489`	`489`	`return std::move(t);`
`490`	`490`	`}`
`491`	`491`
`492`	`492`	`template <typename T>`
`493`	`493`	`requires (!std::is_copy_constructible_v<std::remove_cvref_t<T>>)`
`494`		`-auto move(T&& t) -> decltype(auto) {`
	`494`	`+inline constexpr auto move(T&& t) -> decltype(auto) {`
`495`	`495`	`return std::forward<T>(t);`
`496`	`496`	`}`
`497`	`497`