LWG3171 LWG2989 breaks directory_entry stream insertion

Author: burblebee

source/iostreams.tex

@@ -14219,6 +14219,11 @@
     bool operator==(const directory_entry& rhs) const noexcept;
     strong_ordering operator<=>(const directory_entry& rhs) const noexcept;
 
+    // \ref{fs.dir.entry.io}, inserter
+    template<class charT, class traits>
+      friend basic_ostream<charT, traits>&
+        operator<<(basic_ostream<charT, traits>& os, const directory_entry& d);
+
   private:
     filesystem::path pathobject;        // \expos
     friend class directory_iterator;    // \expos
@@ -14637,6 +14642,21 @@
 \tcode{pathobject <=> rhs.pathobject}.
 \end{itemdescr}
 
+\rSec3[fs.dir.entry.io]{Inserter}
+
+\indexlibrarymember{operator<<}{directory_entry}%
+\begin{itemdecl}
+template<class charT, class traits>
+  friend basic_ostream<charT, traits>&
+    operator<<(basic_ostream<charT, traits>& os, const directory_entry& d);
+\end{itemdecl}
+
+\begin{itemdescr}
+\pnum
+\effects
+Equivalent to: \tcode{return os << d.path();}
+\end{itemdescr}
+
 \rSec2[fs.class.directory.iterator]{Class \tcode{directory_iterator}}
 
 \rSec3[fs.class.directory.iterator.general]{General}