From 84263bd879a14fc26eba3340ee02ffe1dcf47f67 Mon Sep 17 00:00:00 2001
From: "A. Jiang" <de34@live.cn>
Date: Wed, 18 Mar 2026 10:05:40 +0800
Subject: [PATCH] [views.multidim] Index `submdspan_mapping`

Avoid `<PaddingValue>` in indexing because we're already using
`layout_{left,right}_padded::mapping` in indices.
---
 source/containers.tex | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/source/containers.tex b/source/containers.tex
index 8afc9820b5..12b711587a 100644
--- a/source/containers.tex
+++ b/source/containers.tex
@@ -22203,7 +22203,7 @@
         -> @\seebelow@;
 
     template<class... SliceSpecifiers>
-      friend constexpr auto submdspan_mapping(
+      friend constexpr auto @\libmember{submdspan_mapping}{layout_left::mapping}@(
         const mapping& src, SliceSpecifiers... slices) {
           return src.@\exposid{submdspan-mapping-impl}@(slices...);
       }
@@ -22532,7 +22532,7 @@
         -> @\seebelow@;
 
     template<class... SliceSpecifiers>
-      friend constexpr auto submdspan_mapping(
+      friend constexpr auto @\libmember{submdspan_mapping}{layout_right::mapping}@(
         const mapping& src, SliceSpecifiers... slices) {
           return src.@\exposid{submdspan-mapping-impl}@(slices...);
       }
@@ -22863,7 +22863,7 @@
         -> @\seebelow@;
 
     template<class... SliceSpecifiers>
-      friend constexpr auto submdspan_mapping(
+      friend constexpr auto @\libmember{submdspan_mapping}{layout_stride::mapping}@(
         const mapping& src, SliceSpecifiers... slices) {
           return src.@\exposid{submdspan-mapping-impl}@(slices...);
       }
@@ -23278,7 +23278,7 @@
         -> @\seebelow@;
 
     template<class... SliceSpecifiers>
-      friend constexpr auto submdspan_mapping(const mapping& src, SliceSpecifiers... slices) {
+      friend constexpr auto @\libmember{submdspan_mapping}{layout_left_padded::mapping}@(const mapping& src, SliceSpecifiers... slices) {
       return src.@\exposid{submdspan-mapping-impl}@(slices...);
     }
   };
@@ -23913,7 +23913,7 @@
         -> @\seebelow@;
 
     template<class... SliceSpecifiers>
-      friend constexpr auto submdspan_mapping(const mapping& src, SliceSpecifiers... slices) {
+      friend constexpr auto @\libmember{submdspan_mapping}{layout_right_padded::mapping}@(const mapping& src, SliceSpecifiers... slices) {
       return src.@\exposid{submdspan-mapping-impl}@(slices...);
     }
   };
@@ -26013,6 +26013,7 @@
 \end{itemize}
 
 \pnum
+\indexlibraryglobal{submdspan_mapping}%
 For the purpose of this section,
 the meaning of \tcode{submdspan_mapping} is established
 as if by performing argument-dependent lookup only\iref{basic.lookup.argdep}.