From: Benoit Daloze <eregontp@...>
Date: 2010-05-01T23:23:00+09:00
Subject: Re: Return values of modifiers

2010/5/1 Michel Demazure <michel@demazure.com>:
> Benoit Daloze wrote:
>> What I meant is:
>>
>>> i = 0
>> => 0
>>> while i < 10
>>>   i += 1
>>>   33
>>>   end
>> => nil # should be 33
>>
>> This is already the case for class Foo..end, and if/unless
>>
>> It should be for the loops too (without explicit break).
>>
>> And when the condition is wrong and then the "block" is never used,
>> then nil should be returned.
>>
>> What do you think?
>
> Benoit, if you have only
>  i = 0
>  while i < 10
>   i += 1
>  end
> which is the same as
>  i = 0
>  while i < 10
>   i += 1
>   i
>  end
> then it should return 10, as I wanted ?
> _md

Sure, that's my point.

(But I think the 'if/unless' behavior is correct and "foo if false"
should return nil as it is)