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Subject: Re: [boost] AlRangeExandrescu?
From: Stewart, Robert (Robert.Stewart_at_[hidden])
Date: 2009-07-23 11:31:39

Mathias Gaunard wrote:
> First-class ranges would still need to be convertible to
> iterator pairs, since iterators are useful on their own as a
> mean to express positions.
> For example, let's say I write a simple algorithm that takes
> three bidirectional iterators: the begin of the sequence, the
> end of the sequence, and a position anywhere in between. That
> algorithm then returns whether the position in between lies on
> a word boundary by reading what is left and right of it.
> How would I express such an algorithm with ranges only?

Ranges can be collapsed to represent a single element or no

Rob Stewart robert.stewart_at_[hidden]
Software Engineer, Core Software using std::disclaimer;
Susquehanna International Group, LLP

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