xtimes return from yield
xtimes end
-------> 1783
xtimes begin
xtimes yield
yo
xtimes return from yield
xtimes yield
yo
xtimes return from yield
xtimes end
-------> 1784
xtimes begin
xtimes yield
An exception occurred running bin/fancy
    no block given (LocalJumpError)

Backtrace:
                Integer(Fixnum)#xtimes at kernel/common/integer.rb:132
                        Fixnum#xtimes: at blocks.fy:4
                { } in main.__script__ at blocks.fy:12
                   { } in Object#loop: at lib/object.fy:10
  { } in Rubinius::BlockEnvironment#Block at boot/fancy_ext/block_env.rb:7
                          Object#loop: at lib/object.fy:12
                       main.__script__ at blocks.fy:15
 { } in Fancy::CodeLoader.load_compiled_file:find_file: at lib/rbx
                                                           /code_loader.fy:168
  { } in Rubinius::BlockEnvironment#Block at boot/fancy_ext/block_env.rb:18
          Object(NilClass)#if_do:else: at lib/object.fy:70
              Object(Class)#unless:do: at lib/object.fy:148
  Fancy::CodeLoader.load_compiled_file:find_file: at lib/rbx/code_loader.fy:173
  Fancy::CodeLoader.load_compiled_file: at lib/rbx/code_loader.fy:134
                { } in main.__script__ at lib/main.fy:75
  { } in Rubinius::BlockEnvironment#Block at boot/fancy_ext/block_env.rb:18
                 Object(String)#if_do: at lib/object.fy:61
                       main.__script__ at lib/main.fy:76
 { } in Fancy::CodeLoader.load_compiled_file:find_file: at lib/rbx
                                                           /code_loader.fy:168
  { } in Rubinius::BlockEnvironment#Block at boot/fancy_ext/block_env.rb:18
          Object(NilClass)#if_do:else: at lib/object.fy:70
              Object(Class)#unless:do: at lib/object.fy:148
  Fancy::CodeLoader.load_compiled_file:find_file: at lib/rbx/code_loader.fy:173
  Fancy::CodeLoader.load_compiled_file (load_compiled_file:) at \
          lib/rbx/code_loader.fy:134
                       main.__script__ at bin/fancy:23
      Rubinius::CodeLoader#load_script at kernel/delta/codeloader.rb:67
      Rubinius::CodeLoader.load_script at kernel/delta/codeloader.rb:91
               Rubinius::Loader#script at kernel/loader.rb:546
                 Rubinius::Loader#main at kernel/loader.rb:650
                 Rubinius::Loader.main at kernel/loader.rb:689
                     Object#__script__ at kernel/loader.rb:700