Streamline .hyper.grep batch producer
Streamline .hyper.grep batch producer

This makes the producer go about 2.5% faster for something like:
  say ^Inf .hyper.map( *.is-prime ).skip(99999).head

The --profile shows significantly fewer allocations.

tony-o/rakudo,softmoth/rakudo,salortiz/rakudo,nbrown/rakudo,Gnouc/rakudo,tbrowder/rakudo,salortiz/rakudo,nbrown/rakudo,Gnouc/rakudo,softmoth/rakudo,tony-o/rakudo,tony-o/rakudo,lucasbuchala/rakudo,rakudo/rakudo,salortiz/rakudo,labster/rakudo,labster/rakudo,rakudo/rakudo,nbrown/rakudo,Gnouc/rakudo,softmoth/rakudo,labster/rakudo,lucasbuchala/rakudo,tbrowder/rakudo,rakudo/rakudo,tbrowder/rakudo,salortiz/rakudo,rakudo/rakudo,labster/rakudo,lucasbuchala/rakudo,softmoth/rakudo,salortiz/rakudo,tbrowder/rakudo,softmoth/rakudo,MasterDuke17/rakudo,tbrowder/rakudo,tbrowder/rakudo,labster/rakudo,salortiz/rakudo,Gnouc/rakudo,tony-o/rakudo,tony-o/rakudo,Gnouc/rakudo,tony-o/rakudo,lucasbuchala/rakudo,rakudo/rakudo,MasterDuke17/rakudo,lucasbuchala/rakudo,MasterDuke17/rakudo,labster/rakudo,nbrown/rakudo,MasterDuke17/rakudo,Gnouc/rakudo,nbrown/rakudo,rakudo/rakudo,MasterDuke17/rakudo,nbrown/rakudo,MasterDuke17/rakudo