Update libcxx/include/__ranges/concat_view.h

changkhothuychung · frederick-vs-ja · web-flow · commit d1deb232f25e · 2025-03-08T13:08:36.000-05:00
Co-authored-by: A. Jiang &lt;de34@live.cn&gt;
diff --git a/libcxx/include/__ranges/concat_view.h b/libcxx/include/__ranges/concat_view.h
@@ -542,7 +542,7 @@ class concat_view<_Views...>::__iterator {
              (... && indirectly_swappable<iterator_t<__maybe_const<_Const, _Views>>>)
   {
     _LIBCPP_ASSERT_VALID_ELEMENT_ACCESS(
-        !__x.__it_.valueless_by_exception(), "Trying to convert from a valueless iterator of concat_view.");
+        !__x.__it_.valueless_by_exception(), "Trying to swap iterators of concat_view where at least one iterator is valueless.");
     _LIBCPP_ASSERT_VALID_ELEMENT_ACCESS(
         !__y.__it_.valueless_by_exception(), "Trying to swap iterators of concat_view where at least one iterator is valueless.");
     __variant_detail::__visitation::__variant::__visit_value(

Original file line number	Diff line number	Diff line change
`@@ -542,7 +542,7 @@ class concat_view<_Views...>::__iterator {`
`542`	`542`	`(... && indirectly_swappable<iterator_t<__maybe_const<_Const, _Views>>>)`
`543`	`543`	`{`
`544`	`544`	`_LIBCPP_ASSERT_VALID_ELEMENT_ACCESS(`
`545`		`- !__x.__it_.valueless_by_exception(), "Trying to convert from a valueless iterator of concat_view.");`
	`545`	`+ !__x.__it_.valueless_by_exception(), "Trying to swap iterators of concat_view where at least one iterator is valueless.");`
`546`	`546`	`_LIBCPP_ASSERT_VALID_ELEMENT_ACCESS(`
`547`	`547`	`!__y.__it_.valueless_by_exception(), "Trying to swap iterators of concat_view where at least one iterator is valueless.");`
`548`	`548`	`__variant_detail::__visitation::__variant::__visit_value(`