Re: [boost] What about "Maybe" ?

Subject: Re: [boost] What about "Maybe" ?
From: OvermindDL1 (overminddl1_at_[hidden])
Date: 2009-12-20 21:21:33

On Sun, Dec 20, 2009 at 7:11 PM, OvermindDL1 <overminddl1_at_[hidden]> wrote:
> On Sun, Dec 20, 2009 at 6:48 PM, Arnaud Masserann <arnaud1602_at_[hidden]> wrote:
>> Hi,
>>
>> Is there any interest for a "Maybe" utility class, like the one in Haskell ?
>>
>> For those who don't know about Maybe, here is the Haskell ref :
>> http://www.haskell.org/ghc/docs/6.10.4/html/libraries/base/Prelude.html#t%3AMaybe
>> And a code snippet showing its use :
>> http://pastebin.com/m3a590d6e
>
> It looks like Boost.Optional from how it is used in your pastebin
> snippet. Â How is it different from Boost.Optional?

For example, here is your snippet, copied and altered to use the
Boost.Optional form:
  http://pastebin.com/m24a84c01

How is Maybe different?  Does it introduce any extra functionality?