Re: [boost] filesystem library const usage

From: Beman Dawes (bdawes_at_[hidden])
Date: 2002-08-02 10:47:42

At 08:26 AM 8/2/2002, Peter Dimov wrote:

 >From: "Beman Dawes" <bdawes_at_[hidden]>

 >> ...  path::begin() can't return a const iterator; iteration
 >>(operator++, operator--) wouldn't work!
 >
 >++p2.begin() already doesn't work. An iterator is not required to be a
 >class type, and therefore, its rvalues aren't required to support ++. All 

 >built-in rvalues, despite being non-qualifiable, are de-facto const.

You're right. I always forget that.

What to do about it?  See my reply to Darin.

--Beman

PS: The Standard itself uses --a.end() twice in the optional sequence 
operations table!