noooo.rb

def funky_foo(shakalaka, &block)
  if some_condition
    # lines of code
    # and more lines of code
    # ...
    # 50 lines of code
  else
    puts "chicken dinner"
  end
end

yes!.rb

def funky_foo(shakalaka, &block)
  unless some_condition
    puts "chicken dinner"
    return
  end
  
  # lines of code
  # and more lines of code
  # ...
  # 50 lines of code
end