[rakudo] refactor 'is export()' trait code to prepare for handling taglists
[rakudo] refactor 'is export()' trait code to prepare for handling taglists

git-svn-id: ebc29296f9ec9cd27706eb0497c26fede0e190b2@31955 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

skids/rakudo,niner/rakudo,nbrown/rakudo,usev6/rakudo,tbrowder/rakudo,tony-o/rakudo,cognominal/rakudo,samcv/rakudo,rakudo/rakudo,azawawi/rakudo,labster/rakudo,labster/rakudo,dwarring/rakudo,skids/rakudo,salortiz/rakudo,jonathanstowe/rakudo,nbrown/rakudo,LLFourn/rakudo,niner/rakudo,ugexe/rakudo,sergot/rakudo,cognominal/rakudo,b2gills/rakudo,cygx/rakudo,rjbs/rakudo,paultcochrane/rakudo,ungrim97/rakudo,tony-o/deb-rakudodaily,MasterDuke17/rakudo,usev6/rakudo,laben/rakudo,dankogai/rakudo,mrgetit/rakudo,zostay/rakudo,sergot/rakudo,jonathanstowe/rakudo,usev6/rakudo,azawawi/rakudo,ugexe/rakudo,ab5tract/rakudo,tbrowder/rakudo,raydiak/rakudo,salortiz/rakudo,cygx/rakudo,ungrim97/rakudo,samcv/rakudo,ab5tract/rakudo,nunorc/rakudo,ab5tract/rakudo,tony-o/rakudo,cygx/rakudo,tbrowder/rakudo,MasterDuke17/rakudo,nunorc/rakudo,niner/rakudo,raydiak/rakudo,tbrowder/rakudo,zhuomingliang/rakudo,tbrowder/rakudo,Leont/rakudo,ab5tract/rakudo,lucasbuchala/rakudo,awwaiid/rakudo,Gnouc/rakudo,MasterDuke17/rakudo,usev6/rakudo,dankogai/rakudo,MasterDuke17/rakudo,lucasbuchala/rakudo,labster/rakudo,ungrim97/rakudo,paultcochrane/rakudo,tony-o/deb-rakudodaily,rakudo/rakudo,awwaiid/rakudo,tony-o/deb-rakudodaily,Leont/rakudo,sjn/rakudo,tony-o/deb-rakudodaily,softmoth/rakudo,pmurias/rakudo,dankogai/rakudo,b2gills/rakudo,retupmoca/rakudo,raydiak/rakudo,LLFourn/rakudo,raydiak/rakudo,tony-o/rakudo,sjn/rakudo,softmoth/rakudo,jonathanstowe/rakudo,tony-o/rakudo,ungrim97/rakudo,pmurias/rakudo,paultcochrane/rakudo,usev6/rakudo,lucasbuchala/rakudo,LLFourn/rakudo,samcv/rakudo,pmurias/rakudo,dwarring/rakudo,tony-o/deb-rakudodaily,awwaiid/rakudo,lucasbuchala/rakudo,skids/rakudo,salortiz/rakudo,tbrowder/rakudo,paultcochrane/rakudo,rjbs/rakudo,teodozjan/rakudo,labster/rakudo,nbrown/rakudo,zostay/rakudo,nbrown/rakudo,azawawi/rakudo,ab5tract/rakudo,salortiz/rakudo,b2gills/rakudo,b2gills/rakudo,rakudo/rakudo,nbrown/rakudo,azawawi/rakudo,sergot/rakudo,b2gills/rakudo,teodozjan/rakudo,laben/rakudo,nunorc/rakudo,rjbs/rakudo,sjn/rakudo,cygx/rakudo,dwarring/rakudo,awwaiid/rakudo,jonathanstowe/rakudo,pmurias/rakudo,softmoth/rakudo,ungrim97/rakudo,samcv/rakudo,teodozjan/rakudo,skids/rakudo,Gnouc/rakudo,sergot/rakudo,Leont/rakudo,ugexe/rakudo,dankogai/rakudo,laben/rakudo,nbrown/rakudo,Gnouc/rakudo,teodozjan/rakudo,retupmoca/rakudo,softmoth/rakudo,labster/rakudo,cognominal/rakudo,niner/rakudo,tony-o/deb-rakudodaily,ugexe/rakudo,MasterDuke17/rakudo,rakudo/rakudo,nunorc/rakudo,zostay/rakudo,Leont/rakudo,awwaiid/rakudo,tony-o/rakudo,sjn/rakudo,lucasbuchala/rakudo,tony-o/deb-rakudodaily,zhuomingliang/rakudo,LLFourn/rakudo,MasterDuke17/rakudo,dwarring/rakudo,dankogai/rakudo,retupmoca/rakudo,ugexe/rakudo,sjn/rakudo,retupmoca/rakudo,tony-o/rakudo,Gnouc/rakudo,cognominal/rakudo,skids/rakudo,salortiz/rakudo,rakudo/rakudo,Gnouc/rakudo,rakudo/rakudo,Gnouc/rakudo,salortiz/rakudo,zostay/rakudo,azawawi/rakudo,jonathanstowe/rakudo,LLFourn/rakudo,cognominal/rakudo,softmoth/rakudo,samcv/rakudo,labster/rakudo,laben/rakudo,dakkar/rakudo,zhuomingliang/rakudo,cygx/rakudo,zhuomingliang/rakudo,paultcochrane/rakudo