returned =
  begin
    value = 'return value'
    
    raise
  rescue
    value
  ensure
    'this is not return value'
  end

puts returned

def meth1
  puts 1 / 0
  
rescue
  'hoge'
else
  'fuga'
ensure
  'piyo'
end

meth1

catch :triple_loop do
  loop do
    puts 'one'
    
    loop do
      puts 'two'
      
      loop do
        puts 'three'
        
        throw :triple_loop
      end
    end
  end
end


catch(:foo) {
  throw :foo, 'hoge'
  }