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Alexander Terekhov
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 Posted: Mon May 17, 2004 9:10 pm Post subject: Re: string class in g++ thread safe? |
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<c.s.c++ added>
James Kanze wrote:
| Quote: |
Alexander Terekhov <terekhov (AT) web (DOT) de> writes:
|> James Kanze wrote:
|> [...]
|> > The problem is that the choice of the function you call depends on
|> > the declaration of the object, not on the use you make of what it
|> > returns.
|> Agreed.
|> > So if the string object is declared non-const because it has to be
|> > set once, before threading starts, you still need the lock.
|> Not if you access it via "const &".
|> int read_global_thing() {
|> return const_cast<std::string const &>(thing)[0];
|> }
So who writes things like that?
I don't have to write something like const_cast< char const*& const
when accessing a globale char const*.
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Wrong newsgroup. ;-)
regards,
alexander.
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