Subject: Re: [boost] The noexcept Specifier & Block
From: Gabriel Dos Reis (gdr_at_[hidden])
Date: 2009-04-17 14:56:52
On Fri, Apr 17, 2009 at 12:59 PM, Alexander Terekhov <terekhov_at_[hidden]> wrote:
> Gabriel Dos Reis wrote:
>> And quoting for the document:
>> # A two-phase exception-handling model is not strictly necessary to implement
>> # C++ language semantics, but it does provide some benefits. For example,
>> # the first phase allows an exception-handling mechanism to dismiss an
>> # exception before stack unwinding begins, which allows resumptive exception
>> # handling (correcting the exceptional condition and resuming execution at
>> # the point where it was raised). While C++ does not support resumptive
>> # exception handling, other languages do, and the two-phase model allows
>> # C++ to coexist with those languages on the stack.
>> How many industrial strength languages support resumptive exception handling?
Not, if you're talking about the impact of EH.
> There are other benefits provided by two-phase EH apart from resumption.
> Avoiding unwinding for unexpected exceptions, for example.
Which is not C++ semantics.
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