Example of yield in ruby

yield.rb

def my_fancy_method
  # Call the block with 1
  yield 1
  
  # Call the block with "cat"
  yield "cat"
  
  # Call the block with nothing (i.e. nil)
  yield
end

# Call my_fancy_method and print whatever is passed to the block
my_fancy_method do |lol|
  puts lol
end