GEM
  remote: https://rubygems.org/
  specs:
    forwardable (1.3.3)
    iostruct (0.0.5)
    prime (0.1.2)
      forwardable
      singleton
    rainbow (3.1.1)
    singleton (0.2.0)
    zpng (0.4.5)
      rainbow (~> 3.1.1)
    zsteg (0.2.13)
      iostruct (>= 0.0.5)
      prime
      zpng (>= 0.4.5)

PLATFORMS
  ruby

DEPENDENCIES
  zsteg

BUNDLED WITH
   2.4.13