Not sure what you mean by 'leaking into CORE', but I wouldn't use Metamodel:: namespace too. My suggestion would be to use Type::SumHOW or Type::Metamodel::SumHOW. The latter is better from namespace structuring point of view unless long names disgust you.
Best regards, Vadim Belman > On Apr 8, 2019, at 1:38 PM, Ben Davies <kai...@outlook.com> wrote: > > I wrote a small sum type module that subclasses > Perl6::Metamodel::SubsetHOW. I was thinking of naming it either > Type::Sum or Metamodel::SumHOW, but Type::Sum doesn't follow the style > Rakudo uses for naming MOP classes, and Metamodel::SumHOW may not be a > good name because it'd leak the module into CORE. What should I call it? >
