Make Mu.raku about 40% faster
Make Mu.raku about 40% faster

- formerly known as Mu.perl
- lose the .flat.grep and the loop, conflate it into a single .map
- with 20% fewer allocations

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