Re: The D Programming Language
Andrei Alexandrescu (See Website For Email) wrote:
Peter Dimov wrote:
Andrei Alexandrescu (See Website For Email) wrote:
That's simply wrong. Java does not check thread safety statically, yet
is able to define behavior of even incorrect multithreaded code.
It does on a physical level (long and double aside), but not on a
logical level. An object invariant can easily be broken by a data race.
The behavior from this point onwards is defined but makes no sense.
This decision is correct for safety reasons, but doesn't offer many
other benefits.
And that contradicts my statement how?
Your statement is completely correct if we stick to the formal
definitions of "undefined behavior" as in the C++ standard and
"incorrect MT code" as in the Java memory model. So it doesn't. I was
just pointing out that programs with defined behavior that don't work
aren't necessarily better than programs without defined behavior that
don't work.
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