From: Yukihiro Matsumoto <matz@...>
Date: 2010-05-02T08:56:47+09:00
Subject: [ruby-core:29921] Re: [Feature #3232] Loops (while/until) should return last statement value if any, like if/unless

Hi,

In message "Re: [ruby-core:29920] [Feature #3232] Loops (while/until) should return last statement value if any, like if/unless"
    on Sun, 2 May 2010 04:14:10 +0900, Benoit Daloze <redmine@ruby-lang.org> writes:

|In conditions:
|if true
|  2
|end #=> 2
|
|In loops:
|i = 0
|while i < 3
|  i += 1
|  "return value"
|end #=> nil
|
|I suggest the return value of loops to be the return value of
|the last "block" evaluated between "while/until" and "end".

The last evaluated expression in this case is "i < 3", so the loop
statement would have the return value of false value, even if it would
return the *last* value.

							matz.