|
|
Boost : |
Subject: Re: [boost] [Boost-users] [review][constrained_value] Review of Constrained Value Library begins today
From: Mika Heiskanen (mika.heiskanen_at_[hidden])
Date: 2008-12-20 23:20:45
David Abrahams wrote:
> Exceptions should almost never be used in response to broken invariants.
Pardon my ignorance, but how come? The constraints I have to validate usually
concern broken user input via the command line or a query string. How should I
deal with them if not with exceptions? Or to be more precise, why should I not
use constrained types for validating user input if it saves me a lot of
if-statements in the long run?
--> Mika Heiskanen
Boost list run by bdawes at acm.org, gregod at cs.rpi.edu, cpdaniel at pacbell.net, john at johnmaddock.co.uk