mruby 1.3.0-1 (s390x binary) in ubuntu bionic

 mruby is the lightweight implementation of the Ruby language complying to
 the ISO standard.
 This can be linked and embedded within your application.
 .
 This package contains the following tools:
  * mirb: Embeddable interactive ruby shell
  * mrbc: mruby compiler
  * mruby: mruby interpreter
  * mrdb: mruby debugger
  * mruby-strip: mruby strip