Add a typed exception for required attributes
Add a typed exception for required attributes

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