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  1. def greeting
  2.   puts "hello world"
  3.   yield
  4.   puts "HELLO WORLD"
  5. end
  6.  
  7. greeting { puts "Hello World" }
  8.  
Success #stdin #stdout 0s 4760KB
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stdin
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Standard input is empty
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hello world
Hello World
HELLO WORLD
https://ideone.com/b3LHp
language:
Ruby (ruby 2.5.5)
created:
14 years ago
visibility:
public

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