LWG3515 §[stacktrace.basic.nonmem]: operator<< should be less templatized

Author: burblebee

source/diagnostics.tex

@@ -1752,13 +1752,9 @@
   template<class Allocator>
     string to_string(const basic_stacktrace<Allocator>& st);
 
-  template<class charT, class traits>
-    basic_ostream<charT, traits>&
-      operator<<(basic_ostream<charT, traits>& os, const stacktrace_entry& f);
-
-  template<class charT, class traits, class Allocator>
-    basic_ostream<charT, traits>&
-      operator<<(basic_ostream<charT, traits>& os, const basic_stacktrace<Allocator>& st);
+  ostream& operator<<(ostream& os, const stacktrace_entry& f);
+  template<class Allocator>
+    ostream& operator<<(ostream& os, const basic_stacktrace<Allocator>& st);
 
   namespace pmr {
     using stacktrace = basic_stacktrace<polymorphic_allocator<stacktrace_entry>>;
@@ -2391,9 +2387,7 @@
 
 \indexlibrarymember{operator<<}{stacktrace_entry}%
 \begin{itemdecl}
-template<class charT, class traits>
-basic_ostream<charT, traits>&
-  operator<<(basic_ostream<charT, traits>& os, const stacktrace_entry& f);
+ostream& operator<<(ostream& os, const stacktrace_entry& f);
 \end{itemdecl}
 
 \begin{itemdescr}
@@ -2404,9 +2398,8 @@
 
 \indexlibrarymember{operator<<}{basic_stacktrace}%
 \begin{itemdecl}
-template<class charT, class traits, class Allocator>
-basic_ostream<charT, traits>&
-  operator<<(basic_ostream<charT, traits>& os, const basic_stacktrace<Allocator>& st);
+template<class Allocator>
+  ostream& operator<<(ostream& os, const basic_stacktrace<Allocator>& st);
 \end{itemdecl}
 
 \begin{itemdescr}