Re: [boost] [c++1] BOOST_NOEXCEPT macros?

Subject: Re: [boost] [c++1] BOOST_NOEXCEPT macros?
From: Stewart, Robert (Robert.Stewart_at_[hidden])
Date: 2011-10-20 09:15:06

Domagoj Saric wrote:
> On 19.10.2011. 17:47, Stewart, Robert wrote:
>
> > Using (1) on existing code could change behavior.
>
> Again, how could it change behaviour?
> Unless, again,: "...there is a real world person/problem that
> depends on the defined std::unexpected/std::terminate behaviour
> of noexcept as opposed to undefined or implementation defined
> behaviour of a compiler specific in case "someone violates a
> promise given about the particular function"..."

State it however you might like, but telling a compiler that a function no longer emits any exceptions can mean changes in optimization, insertion of validation logic, etc., which can *change behavior*.

_____
Rob Stewart                           robert.stewart_at_[hidden]
Software Engineer                     using std::disclaimer;
Dev Tools & Components
Susquehanna International Group, LLP  http://www.sig.com

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