From: Robert Klemme <bob.news@...>
Date: 2006-01-12T20:08:05+09:00
Subject: Re: [SPAM] safe array index ?

David Vallner wrote:
> Phrogz wrote:
>
>> Christer Nilsson wrote:
>>
>>
>>> class SafeArray < DelegateClass(Array)
>>>  def [](index)
>>>    fetch index
>>>  end
>>> end
>>>
>>>
>>
>> Or, even easier:
>>
>> class SafeArray < DelegateClass(Array)
>>  alias_method :[], :fetch
>> end
>>
>>
> Groan at the different argument order of the alias statement and
> #alias_method.

>> class Foo
>> def bar() "bar" end
>> alias :b :bar
>> end
=> nil
>> Foo.new.b
=> "bar"
>> class Bar
>> def foo() "foo" end
>> alias_method :f, :foo
>> end
=> Bar
>> Bar.new.f
=> "foo"

It seems to me order is the same: first the new name then the old name.
Am I missing something here?

Kind regards

    robert