From: li shoubo <lists@...>
Date: 2012-10-15T20:27:32+09:00
Subject: Re: About define_method

can you give me more details? Or it is a rule that I can not use yield 
in define_method method to define a new one?


Robert Klemme wrote in post #1079874:
> On Mon, Oct 15, 2012 at 9:49 AM, Ryan Davis <ryand-ruby@zenspider.com>
> wrote:
>>
>> On Oct 15, 2012, at 00:15 , Robert Klemme <shortcutter@googlemail.com> wrote:
>>
>>> $ ruby -e 'module Kernel;define_method(foo) { yield 1 };end;foo {|x| p x}'
>>> -e:1:in `<module:Kernel>': undefined local variable or method `foo'
>>
>> you meant :foo
>
> Yes, of course.  Thanks for catching that.  Then we get
>
> $ ruby -e 'module Kernel;define_method(:foo) { yield 1 };end;foo {|x| p
> x}'
> -e:1:in `block in <module:Kernel>': no block given (yield)
> (LocalJumpError)
>         from -e:1:in `<main>'
>
> Kind regards
>
> robert

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