Re: A Sample auto_ptr implementation
On Oct 15, 11:22 pm, Hendrik Schober <spamt...@gmx.de> wrote:
Barry wrote:
[...]
There's a reversion for auto_ptr (IIRC, a article is proviede by Mayer
on
this), adding auto_ptr_ref for conversion, which supports rvalue
initialization for auto_ptr. which is done transparently.
The guy's name is Scott Meyers and the article is here:
http://www.aristeia.com/BookErrata/auto_ptr-update.html
[...]
there are two problem with visual C++ 2005 in this issue:
1. as extension, "explicit" does NOT work as standard says.
needs /Za switch to turn it off.
Do you have a repro for this? I'd be very interested.
#include <memory>
int main()
{
std::auto_ptr<int> p1 = new int(10); // this shouldn't work
std::auto_ptr<int> p2(new int(10)); // should be like this!
}
=================
d:\>cl /EHsc test.cpp
Compile successfully!
=================
d:\>cl /EHsc /Za test.cpp
cl /EHsc /Za test.cpp
Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 14.00.50727.42
for 80x86
Copyright (C) Microsoft Corporation. All rights reserved.
test.cpp
test.cpp(5) : error C2440: 'initializing' : cannot convert from 'int
*' to 'std::auto_ptr<_Ty>'
with
[
_Ty=int
]
Constructor for class 'std::auto_ptr<_Ty>' is declared
'explicit'
with
[
_Ty=int
]
==========================
==
--
Best Regards
Barry
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