What's the best way to minimize the need of run time checks?

[Chris Angelico]

On Sun, Aug 14, 2016 at 2:20 PM, Chris Angelico <rosuav at gmail.com> wrote:
> You have a working class factory, which is downright *impossible* in
> many languages.

(Unless you count "metaprogramming" to include "programs that write
other programs", of course. That is a legit form of metaprogramming,
in a sense, and does have its benefits, but it's not nearly as simple
as this.)

ChrisA