Add or modify basic_string_view typedefs to match TS. Add BOOST_CONSTEXPR and BOOST_NOEXCEPT where specified in the TS. Add swap, copy, and five compare compare signatures per TS. Untested except for typedefs.

test/string_view_test3.cpp

@@ -24,6 +24,11 @@ namespace
 int main()
 {
   typedef boost::string_view::traits_type string_traits;
+  typedef boost::string_view::const_pointer const_pointer;
+
+  //  swap
+  //  copy
+  //  compare, five new signatures
   
   return boost::report_errors();
 }