mRuby.pm allows embedding mruby, a lightweight Ruby implementation, into Perl 5. This allows business logic and configurations written in Ruby to be shared across an iOS, Android, and web application. By using mruby, the codebases can access common Ruby code, rather than having the logic duplicated in Swift, Java, and Perl. mRuby.pm uses XS to embed mruby, exposing both low-level and high-level AP