ruby 使用Ruby Kernel的简单示例:: catch http://ruby-doc.org/core-2.2.1/Kernel.html#method-i-catch

Posted 2021-05-16

s = nil
f = nil

s = catch :skipped do

  f = catch :failed do
    throw :skipped, 'i skipped'
    # throw :failed, 'i failed'
  end

  'deal with failed code' unless f.nil?
end

'deal with skipped code' unless s.nil?

puts s.inspect
puts f.inspect