sparse set: simplify try_emplace iterator computation to improve MSVC codegen (#1286)

teddemunnik · web-flow · commit ff8544f97dcc · 2025-09-26T11:20:58.000+02:00
diff --git a/src/entt/entity/sparse_set.hpp b/src/entt/entity/sparse_set.hpp
@@ -375,7 +375,7 @@ class basic_sparse_set {
             break;
         }
 
-        return --(end() - static_cast<difference_type>(pos));
+    	return iterator(packed, static_cast<difference_type>(pos) + 1);
     }
 
     /*! @brief Forwards variables to derived classes, if any. */

Original file line number	Diff line number	Diff line change
`@@ -375,7 +375,7 @@ class basic_sparse_set {`
`375`	`375`	`break;`
`376`	`376`	`}`
`377`	`377`
`378`		`- return --(end() - static_cast<difference_type>(pos));`
	`378`	`+ return iterator(packed, static_cast<difference_type>(pos) + 1);`
`379`	`379`	`}`
`380`	`380`
`381`	`381`	`/! @brief Forwards variables to derived classes, if any. /`