Streamline sequential-map "simple" pull-one a bit
Streamline sequential-map "simple" pull-one a bit

Mainly for readability, wouldn't be surprised if codegen was the same.

tbrowder/rakudo,nbrown/rakudo,raydiak/rakudo,softmoth/rakudo,awwaiid/rakudo,MasterDuke17/rakudo,zostay/rakudo,softmoth/rakudo,raydiak/rakudo,awwaiid/rakudo,MasterDuke17/rakudo,tony-o/rakudo,zostay/rakudo,Gnouc/rakudo,nbrown/rakudo,rakudo/rakudo,rakudo/rakudo,lucasbuchala/rakudo,salortiz/rakudo,sjn/rakudo,tbrowder/rakudo,rakudo/rakudo,samcv/rakudo,sjn/rakudo,softmoth/rakudo,tony-o/rakudo,nbrown/rakudo,labster/rakudo,tony-o/rakudo,salortiz/rakudo,samcv/rakudo,Gnouc/rakudo,samcv/rakudo,jonathanstowe/rakudo,sjn/rakudo,salortiz/rakudo,tbrowder/rakudo,tbrowder/rakudo,MasterDuke17/rakudo,MasterDuke17/rakudo,tony-o/rakudo,tbrowder/rakudo,MasterDuke17/rakudo,samcv/rakudo,nbrown/rakudo,lucasbuchala/rakudo,usev6/rakudo,labster/rakudo,softmoth/rakudo,zostay/rakudo,labster/rakudo,usev6/rakudo,Gnouc/rakudo,Gnouc/rakudo,labster/rakudo,salortiz/rakudo,labster/rakudo,jonathanstowe/rakudo,lucasbuchala/rakudo,tbrowder/rakudo,usev6/rakudo,salortiz/rakudo,raydiak/rakudo,lucasbuchala/rakudo,awwaiid/rakudo,labster/rakudo,lucasbuchala/rakudo,awwaiid/rakudo,tony-o/rakudo,usev6/rakudo,jonathanstowe/rakudo,rakudo/rakudo,sjn/rakudo,nbrown/rakudo,samcv/rakudo,Gnouc/rakudo,tony-o/rakudo,jonathanstowe/rakudo,softmoth/rakudo,rakudo/rakudo,MasterDuke17/rakudo,nbrown/rakudo,awwaiid/rakudo,jonathanstowe/rakudo,sjn/rakudo,zostay/rakudo,raydiak/rakudo,Gnouc/rakudo,salortiz/rakudo,usev6/rakudo,rakudo/rakudo