id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc
9580,"[spirit.lex] self(""state"") += calls a wrong operator +=",Vyacheslav Andrejev,Hartmut Kaiser,"This construct
{{{
#!cpp
      this->self(""SOME_STATE"") += someTokenDef;
}}}
doesn't call
{{{
#!cpp
        template <typename LexerDef, typename Expr>
        inline lexer_def_<LexerDef>&
        boost::spirit::lex::detail::operator+= (lexer_def_<LexerDef>& lexdef, Expr&& xpr)
}}}
as it should in order for the definition get added to the lexer. Instead this operator
{{{
#!cpp
        template <typename Left, typename Right>
        typename boost::proto::detail::enable_binary<
            deduce_domain
          , deduce_domain::proto_grammar
          , boost::mpl::or_<is_extension<Left>, is_extension<Right> >
          , boost::proto::tag::plus_assign
          , Left const &
          , Right const &
          >::type const
        operator +=(Left &&left, Right &&right)
        {
            return boost::proto::detail::make_expr_<
                boost::proto::tag::plus_assign
              , deduce_domain
              , Left const &
              , Right const &
              >()(left, right);
        }
}}}
is called from boost::proto::exprns_ namespace.",Bugs,new,To Be Determined,spirit,Boost Development Trunk,Problem,,,