[specialized.algorithms.general] Make deref-move constexpr

cpplearner · web-flow · commit c2772a9ce6b5 · 2025-11-05T14:56:48.000+08:00
diff --git a/source/algorithms.tex b/source/algorithms.tex
@@ -13533,7 +13533,7 @@
   }
 
 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
`@@ -13533,7 +13533,7 @@`
`13533`	`13533`	`}`
`13534`	`13534`
`13535`	`13535`	`template<class I>`
`13536`		`- decltype(auto) @\exposid{deref-move}@(I& it) {`
	`13536`	`+ constexpr decltype(auto) @\exposid{deref-move}@(I& it) {`
`13537`	`13537`	`if constexpr (is_lvalue_reference_v<decltype(*it)>)`
`13538`	`13538`	`return std::move(*it);`
`13539`	`13539`	`else`