Merge pull request #1409 from mk-huawei/fix/pack-indexing

ericniebler · web-flow · commit cddcd5a17dbe · 2024-09-05T23:34:17.000-07:00
Fix use of pack indexing failing to compile on clang head.
diff --git a/include/stdexec/__detail/__meta.hpp b/include/stdexec/__detail/__meta.hpp
@@ -1072,7 +1072,7 @@ namespace stdexec {
     constexpr decltype(auto)
       operator()(_Ts &&...__ts) const noexcept {
       static_assert(_Np < sizeof...(_Ts));
-      return (static_cast<_Ts &&>(__ts)...[_Np]);
+      return static_cast<_Ts...[_Np] &&>(__ts...[_Np]);
     }
   };
 #else

Original file line number	Diff line number	Diff line change
`@@ -1072,7 +1072,7 @@ namespace stdexec {`
`1072`	`1072`	`constexpr decltype(auto)`
`1073`	`1073`	`operator()(_Ts &&...__ts) const noexcept {`
`1074`	`1074`	`static_assert(_Np < sizeof...(_Ts));`
`1075`		`- return (static_cast<_Ts &&>(__ts)...[_Np]);`
	`1075`	`+ return static_cast<_Ts...[_Np] &&>(__ts...[_Np]);`
`1076`	`1076`	`}`
`1077`	`1077`	`};`
`1078`	`1078`	`#else`