Check for definedness before invoking isNaN
Check for definedness before invoking isNaN

Otherwise, things like Num === Num fail

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