LWG4452 Make deref-move constexpr

burblebee · tkoeppe · commit daffc091ddec · 2025-12-14T14:37:15.000Z
diff --git a/source/algorithms.tex b/source/algorithms.tex
@@ -13548,7 +13548,7 @@
   }
 
 template<class I>
-  decltype(auto) @\exposid{deref-move}@(I& it) {
+  constexpr decltype(auto) @\exposid{deref-move}@(I& it) {
     if constexpr (is_lvalue_reference_v<decltype(*it)>)
       return std::move(*it);
     else

Original file line number	Diff line number	Diff line change
`@@ -13548,7 +13548,7 @@`
`13548`	`13548`	`}`
`13549`	`13549`
`13550`	`13550`	`template<class I>`
`13551`		`- decltype(auto) @\exposid{deref-move}@(I& it) {`
	`13551`	`+ constexpr decltype(auto) @\exposid{deref-move}@(I& it) {`
`13552`	`13552`	`if constexpr (is_lvalue_reference_v<decltype(*it)>)`
`13553`	`13553`	`return std::move(*it);`
`13554`	`13554`	`else`