Ruby gems are installed into directories called after the last compatible version rather than specific release. How can I obtain that version?
For example for Ruby 2.3.3, gems will be installed into 2.3.0 directory. How do I find out what that version is from a ruby interpreter?
Other answers that are kind of correct, but use paths. I tracked it down to:
Gem.ruby_api_version
Which will return the version on its own.
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