|
|
Boost : |
From: Kevlin Henney (kevlin_at_[hidden])
Date: 2004-02-28 05:19:05
In message <uznb55omh.fsf_at_[hidden]>, David Abrahams
<dave_at_[hidden]> writes
>
>The conversion to boost::any isn't a widening conversion in the usual
>sense, though, is it? Normally, a widening conversion preserves not
>only the information but the *interface* of the original data -- you
>wouldn't consider an implicit conversion from int to string a widening
>conversion, would you?
Your assumption is not quite correct: most widening conversions are not
interface preserving.
Kevlin
-- ____________________________________________________________ Kevlin Henney phone: +44 117 942 2990 mailto:kevlin_at_[hidden] mobile: +44 7801 073 508 http://www.curbralan.com fax: +44 870 052 2289 Curbralan: Consultancy + Training + Development + Review ____________________________________________________________
Boost list run by bdawes at acm.org, gregod at cs.rpi.edu, cpdaniel at pacbell.net, john at johnmaddock.co.uk