mruby-env provides "ENV" object, which is a hash-like accessor for environment variables.
- https://docs.ruby-lang.org/en/trunk/ENV.html (en)
- https://docs.ruby-lang.org/ja/latest/class/ENV.html (ja)
 = clear delete fetch has_key? include? inspect key? keys member? size store to_a to_hash to_s values
* mruby * libc activate GEMs in *build_config.rb* * conf.gem :github => 'iij/mruby-env' ruby ./minirake
To run the tests:
ruby ./minirake test
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