Update paper

papers/p3235.bs

@@ -101,8 +101,16 @@ https://eel.is/c++draft/vector.syn)]:
     struct formatter<T, charT>;
 ```
 
-`thread::id`, stacktrace and `vector<bool>` formatters don't invoke any user
-code and can be opted into the optimization.
+`std::filesystem::path` formatter added in [[P2845]] and, as of 14 Apr 2024, in
+the process of being merged into the standard draft:
+
+```
+// [fs.path.fmt], formatter
+template<class charT> struct formatter<filesystem::path, charT>;
+```
+
+`thread::id`, stacktrace, `vector<bool>` and `std::filesystem::path` formatters
+don't invoke any user code and can be opted into the optimization.
 
 Tuple formatter [[format.tuple](https://eel.is/c++draft/format.tuple)]:
 
@@ -150,14 +158,17 @@ https://eel.is/c++draft/queue.syn)]:
 
 TODO: look into ranges (locking iterator) and custom Container, Compare.
 
-TODO: path
-
 TODO: motivation?
 
 TODO: mention that this is a follow-up requested in LEWG discussion
 
 <pre class=biblio>
 {
+  "P2845": {
+    "title": "Formatting of std::filesystem::path",
+    "authors": ["Victor Zverovich"],
+    "href": "https://wg21.link/p2845"
+  },
   "P3107": {
     "title": "Permit an efficient implementation of std::print",
     "authors": ["Victor Zverovich"],

papers/p3235.html

@@ -1563,7 +1563,7 @@
   </style>
   <meta content="Bikeshed version 4416b18d5, updated Tue Jan 2 15:52:39 2024 -0800" name="generator">
   <link href="https://isocpp.org/favicon.ico" rel="icon">
-  <meta content="85750f69deb77337f897794d5a3f86d5cad93fa1" name="revision">
+  <meta content="cf4b57887429c4fa6444d1652e70fe7c2aa9d8b1" name="revision">
 <style>/* Boilerplate: style-autolinks */
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@@ -2175,8 +2175,13 @@ <h2 class="heading settled" data-level="2" id="proposal"><span class="secno">2.
 <c- k>template</c-><c- o>&lt;</c-><c- k>class</c-> <c- nc>T</c-><c- p>,</c-> <c- k>class</c-> <c- nc>charT</c-><c- o>></c-> <c- k>requires</c-> <c- n>is</c-><c- o>-</c-><c- n>vector</c-><c- o>-</c-><c- b>bool</c-><c- o>-</c-><c- n>reference</c-><c- o>&lt;</c-><c- n>T</c-><c- o>></c->
   <c- k>struct</c-> <c- nc>formatter</c-><c- o>&lt;</c-><c- n>T</c-><c- p>,</c-> <c- n>charT</c-><c- o>></c-><c- p>;</c->
 </pre>
-   <p><code class="highlight"><c- kr>thread</c-><c- o>::</c-><c- n>id</c-></code>, stacktrace and <code class="highlight"><c- n>vector</c-><c- o>&lt;</c-><c- b>bool</c-><c- o>></c-></code> formatters don’t invoke any user
-code and can be opted into the optimization.</p>
+   <p><code class="highlight"><c- n>std</c-><c- o>::</c-><c- n>filesystem</c-><c- o>::</c-><c- n>path</c-></code> formatter added in <a data-link-type="biblio" href="#biblio-p2845" title="Formatting of std::filesystem::path">[P2845]</a> and, as of 14 Apr 2024, in
+the process of being merged into the standard draft:</p>
+<pre class="highlight"><c- c1>// [fs.path.fmt], formatter</c->
+<c- k>template</c-><c- o>&lt;</c-><c- k>class</c-> <c- nc>charT</c-><c- o>></c-> <c- k>struct</c-> <c- nc>formatter</c-><c- o>&lt;</c-><c- n>filesystem</c-><c- o>::</c-><c- n>path</c-><c- p>,</c-> <c- n>charT</c-><c- o>></c-><c- p>;</c->
+</pre>
+   <p><code class="highlight"><c- kr>thread</c-><c- o>::</c-><c- n>id</c-></code>, stacktrace, <code class="highlight"><c- n>vector</c-><c- o>&lt;</c-><c- b>bool</c-><c- o>></c-></code> and <code class="highlight"><c- n>std</c-><c- o>::</c-><c- n>filesystem</c-><c- o>::</c-><c- n>path</c-></code> formatters
+don’t invoke any user code and can be opted into the optimization.</p>
    <p>Tuple formatter <a href="https://eel.is/c++draft/format.tuple">[format.tuple</a>]:</p>
 <pre class="highlight"><c- k>template</c-><c- o>&lt;</c-><c- k>class</c-> <c- nc>charT</c-><c- p>,</c-> <c- n>formattable</c-><c- o>&lt;</c-><c- n>charT</c-><c- o>></c-><c- p>...</c-> <c- n>Ts</c-><c- o>></c->
 <c- k>struct</c-> <c- nc>formatter</c-><c- o>&lt;</c-><c- n>pair</c-><c- o>-</c-><c- k>or</c-><c- o>-</c-><c- n>tuple</c-><c- o>&lt;</c-><c- n>Ts</c-><c- p>...</c-><c- o>></c-><c- p>,</c-> <c- n>charT</c-><c- o>></c-> <c- p>{</c->
@@ -2208,7 +2213,6 @@ <h2 class="heading settled" data-level="2" id="proposal"><span class="secno">2.
   <c- k>struct</c-> <c- nc>formatter</c-><c- o>&lt;</c-><c- n>stack</c-><c- o>&lt;</c-><c- n>T</c-><c- p>,</c-> <c- n>Container</c-><c- o>></c-><c- p>,</c-> <c- n>charT</c-><c- o>></c-><c- p>;</c->
 </pre>
    <p>TODO: look into ranges (locking iterator) and custom Container, Compare.</p>
-   <p>TODO: path</p>
    <p>TODO: motivation?</p>
    <p>TODO: mention that this is a follow-up requested in LEWG discussion</p>
   </main>
@@ -2344,6 +2348,8 @@ <h2 class="heading settled" data-level="2" id="proposal"><span class="secno">2.
   <h2 class="no-num no-ref heading settled" id="references"><span class="content">References</span><a class="self-link" href="#references"></a></h2>
   <h3 class="no-num no-ref heading settled" id="informative"><span class="content">Informative References</span><a class="self-link" href="#informative"></a></h3>
   <dl>
+   <dt id="biblio-p2845">[P2845]
+   <dd>Victor Zverovich. <a href="https://wg21.link/p2845"><cite>Formatting of std::filesystem::path</cite></a>. URL: <a href="https://wg21.link/p2845">https://wg21.link/p2845</a>
    <dt id="biblio-p3107">[P3107]
    <dd>Victor Zverovich. <a href="https://wg21.link/p3107"><cite>Permit an efficient implementation of std::print</cite></a>. URL: <a href="https://wg21.link/p3107">https://wg21.link/p3107</a>
   </dl>