Implement `Fallbacks#inspect` and `Fallbacks#empty?` #312

	name: Ruby

	on:
	# Trigger the workflow on push or pull request,
	# but only for the master branch
	push:
	branches:
	- master
	pull_request:
	branches:
	- master

	jobs:
	build:
	env:
	BUNDLE_GEMFILE: ${{ matrix.gemfile }}
	strategy:
	fail-fast: false
	matrix:
	ruby_version: [3.2, 3.1, "3.0", 2.7, 2.6, jruby]
	gemfile:
	- Gemfile
	- gemfiles/Gemfile.rails-5.2.x
	- gemfiles/Gemfile.rails-6.0.x
	- gemfiles/Gemfile.rails-6.1.x
	- gemfiles/Gemfile.rails-7.0.x
	- gemfiles/Gemfile.rails-main
	exclude:
	# Ruby 3.2 is not supported by Rails 5.2.x
	- ruby_version: 3.2
	gemfile: gemfiles/Gemfile.rails-5.2.x

	# Ruby 3.1 is not supported by Rails 5.2.x
	- ruby_version: 3.1
	gemfile: gemfiles/Gemfile.rails-5.2.x

	# Ruby 3.x is not supported by Rails 5.2.x
	- ruby_version: "3.0"
	gemfile: gemfiles/Gemfile.rails-5.2.x

	# Ruby 2.6.x is not supported by Rails main
	- ruby_version: 2.6
	gemfile: gemfiles/Gemfile.rails-main

	# Ruby 2.6.x is not supported by Rails 7.0.x
	- ruby_version: 2.6
	gemfile: gemfiles/Gemfile.rails-7.0.x

	# JRuby 9.4.2.0 (3.1.0) is not supported by Rails 5.2.x
	- ruby_version: jruby
	gemfile: gemfiles/Gemfile.rails-5.2.x

	# JRuby is not supported by Rails 7.0.x
	- ruby_version: jruby
	gemfile: gemfiles/Gemfile.rails-7.0.x

	# JRuby is not supported by Rails main
	- ruby_version: jruby
	gemfile: gemfiles/Gemfile.rails-main

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	- name: Set up Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby_version }}
	bundler-cache: true # 'bundle install' and cache
	- name: Build and test with Rake
	run: bundle exec rake

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