snippet

irb(main):001:0> class Foo; end
=> nil
irb(main):002:0> class Bar; end
=> nil
irb(main):003:0> f = Foo.new
=> #
irb(main):004:0> case f.class
irb(main):005:1> when Foo then puts “f.class = Foo”
irb(main):006:1> when Bar then puts “f.class = Bar”
irb(main):007:1> else
irb(main):008:1*   puts “no match found”
irb(main):009:1> end
no match found
=> nil
irb(main):010:0> case f.class.name
irb(main):011:1> when “Foo” then puts “f.class.name = ‘Foo’”
irb(main):012:1> when “Bar” then puts “f.class.name = ‘Bar’”
irb(main):013:1> else
irb(main):014:1*   puts “no match found”
irb(main):015:1> end
f.class.name = ‘Foo’
=> nil