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  1. class Foo; end
  2. class A < Foo; end
  3. class B; end
  4.  
  5. def tst(x)
  6.   if x.class == Foo then puts "Same type."
  7.     elsif x.is_a?(Foo) then puts "Extends type." 
  8.     else puts "Not related."
  9.   end
  10. end
  11.  
  12. tst(Foo.new)
  13. tst(A.new)
  14. tst(B.new)
Success #stdin #stdout 0.01s 6364KB
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Standard input is empty
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Same type.
Extends type.
Not related.
https://ideone.com/KvBOyj
language:
Ruby (ruby 2.5.5)
created:
1 year ago
visibility:
secret

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