http://groups.google.com/group/comp.lang.c++?hl=en
comp.lang.c++@googlegroups.com
Today's topics:
* \(0^◇^0)/Whoelsale 2009Newest Fashion Lady Juciy,Edhardy Coat,Sweater,
Christina Audigier Long Tshirts, LV Boots, Christian Louboutin High heal - 1
messages, 1 author
http://groups.google.com/group/comp.lang.c++/t/15fd1a268df98ab1?hl=en
* help with namespace/friend error - 1 messages, 1 author
http://groups.google.com/group/comp.lang.c++/t/5eded7db20190481?hl=en
* █田█田Hot sale Fashion jewelry Necklace, Chanel, Coach, D&G, Dior, Juicy,
Tiffany Necklace ( www.toptradea.com ^_^) - 1 messages, 1 author
http://groups.google.com/group/comp.lang.c++/t/7333ab736fbed2c9?hl=en
* ♣(0^*•.¸¸.•*^0)♣Sneaker Nike,Jordan,Gucci,Adidas,Puma,EdhardyShox,Max,Free,
Rift sneaker and Polo,Lacoste,BBC,Gucci,Armani,LV,Christina Audigier Tshirt
and Jeans www.toptradea.com - 1 messages, 1 author
http://groups.google.com/group/comp.lang.c++/t/004b571ce2e388e0?hl=en
* value & default initialization, and copy initialization - 1 messages, 1
author
http://groups.google.com/group/comp.lang.c++/t/497940ea6f9d0edb?hl=en
* Branded gucci,louis handbags,shoes,belts,watches,sunglasses,tshirts,paypal
payment on www.ebrand123.com - 1 messages, 1 author
http://groups.google.com/group/comp.lang.c++/t/7a8b04a16c71a8a9?hl=en
* Kenlighten - A social network for knowledge seekers and providers - 1
messages, 1 author
http://groups.google.com/group/comp.lang.c++/t/f7fb1e5b2aaac86a?hl=en
* c++0x pods and constructors - 1 messages, 1 author
http://groups.google.com/group/comp.lang.c++/t/5aa5848ff079613f?hl=en
==============================================================================
TOPIC: \(0^◇^0)/Whoelsale 2009Newest Fashion Lady Juciy,Edhardy Coat,Sweater,
Christina Audigier Long Tshirts, LV Boots, Christian Louboutin High heal
http://groups.google.com/group/comp.lang.c++/t/15fd1a268df98ab1?hl=en
==============================================================================
== 1 of 1 ==
Date: Wed, Oct 28 2009 8:27 pm
From: peng Selina
\(0^◇^0)/Whoelsale 2009Newest Fashion Lady Juciy,Edhardy Coat,Sweater,
Christina Audigier Long Tshirts, LV Boots, Christian Louboutin High
heal
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Edhardy-Sweater (www.toptradea.com)
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D&G Handbag {www.toptradea.com & www.toptradea.606c.com}
"
==============================================================================
TOPIC: help with namespace/friend error
http://groups.google.com/group/comp.lang.c++/t/5eded7db20190481?hl=en
==============================================================================
== 1 of 1 ==
Date: Wed, Oct 28 2009 8:29 pm
From: Joe
>
> This means, you have to declare it yourself in AB before you define it
> outside of it.
How do I declare this before I define it? I thought that's what I was
doing, declaring it within the namespace AB of the class BN, and of
course it's defined elsewhere.
Guess I still don't' understand about introducing a visible name into
an enclosing scope (which I thought it was).
==============================================================================
TOPIC: █田█田Hot sale Fashion jewelry Necklace, Chanel, Coach, D&G, Dior,
Juicy, Tiffany Necklace ( www.toptradea.com ^_^)
http://groups.google.com/group/comp.lang.c++/t/7333ab736fbed2c9?hl=en
==============================================================================
== 1 of 1 ==
Date: Wed, Oct 28 2009 8:32 pm
From: peng Selina
█田█田Hot sale Fashion jewelry Necklace, Chanel, Coach, D&G, Dior,
Juicy, Tiffany Necklace ( www.toptradea.com ^_^)
"Necklace( www.toptradea.com ^_^)
Chanel-Necklace( www.toptradea.com ^_^)
Coach-Necklace( www.toptradea.com ^_^)
D&G-Necklace( www.toptradea.com ^_^)
Dior-Necklace( www.toptradea.com ^_^)
Juicy-Necklace( www.toptradea.com ^_^)
Tiffany-Necklace( www.toptradea.com ^_^)"
==============================================================================
TOPIC: ♣(0^*•.¸¸.•*^0)♣Sneaker Nike,Jordan,Gucci,Adidas,Puma,EdhardyShox,Max,
Free,Rift sneaker and Polo,Lacoste,BBC,Gucci,Armani,LV,Christina Audigier
Tshirt and Jeans www.toptradea.com
http://groups.google.com/group/comp.lang.c++/t/004b571ce2e388e0?hl=en
==============================================================================
== 1 of 1 ==
Date: Wed, Oct 28 2009 10:06 pm
From: peng Selina
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Air Jordan J23 mix sneaker www.toptradea.com & www.toptradea.606c.com
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"
==============================================================================
TOPIC: value & default initialization, and copy initialization
http://groups.google.com/group/comp.lang.c++/t/497940ea6f9d0edb?hl=en
==============================================================================
== 1 of 1 ==
Date: Wed, Oct 28 2009 10:43 pm
From: Taras_96
Hi all,
I was hoping to run my understanding of the concepts in the subject
line past the news group. Given the class:
class Foo
{
public:
Foo(int);
Foo();
Foo (Foo const &);
};
Using the excerpts from the standard:
"If no initializer is specified for an object, and the object is of
(possibly cv-qualified) non-POD class type (or array thereof), the
object shall be default-initialized; if the object is of const-
qualified type, the underlying class type shall have a user-declared
default constructor. Otherwise, if no initializer is specified for a
nonstatic object, the object and its subobjects, if any, have an
indeterminate initial value"
and:
"An object whose initializer is an empty set of parentheses, i.e., (),
shall be value-initialized."
Is the following correct?
Foo foo; // default initialised
Foo foo(); // value initialised
Foo foo = Foo(); // temporary Foo is value initialised, then foo is
copy-initialized with temporary. Note that compiler may optimise away
copy, but it DOES require Foo to be copy constructible. ie: it is
equiv to Foo foo(Foo());
int x; // unitialized
int x = int(); // temporary is value initialised, then x is copy-
initialized with temporary. Note that compiler may optimise away copy
Foo* pfoo = new Foo; // a Foo object is default initialised, and then
the pfoo pointer is copy initialized with the return value of the new
operator
Foo* pfoo = new Foo(); // a Foo object is value initialised, and then
the pfoo pointer is copy initialized with the return value of the new
operator
int* pInt = new int(); // an int is value initialised, and then the
pInt pointer is copy initialized with the return value of the new
operator
int* pInt = new int; // an int is uninitialised, and then the pInt
pointer is copy initialized with the return value of the new operator.
*pInt is indeterminate
Foo foo = 5; // equivalent to Foo foo = Foo(5); temporary Foo object
constructed, and then foo is copy initialized with temporary. Note
that the compiler may optimize away the copy
which of course is the same as
Foo foo(Foo(5));
Cheers!
Taras
==============================================================================
TOPIC: Branded gucci,louis handbags,shoes,belts,watches,sunglasses,tshirts,
paypal payment on www.ebrand123.com
http://groups.google.com/group/comp.lang.c++/t/7a8b04a16c71a8a9?hl=en
==============================================================================
== 1 of 1 ==
Date: Wed, Oct 28 2009 10:53 pm
From: Linda
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==============================================================================
TOPIC: Kenlighten - A social network for knowledge seekers and providers
http://groups.google.com/group/comp.lang.c++/t/f7fb1e5b2aaac86a?hl=en
==============================================================================
== 1 of 1 ==
Date: Wed, Oct 28 2009 11:30 pm
From: uma kane
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==============================================================================
TOPIC: c++0x pods and constructors
http://groups.google.com/group/comp.lang.c++/t/5aa5848ff079613f?hl=en
==============================================================================
== 1 of 1 ==
Date: Thurs, Oct 29 2009 12:31 am
From: Vladimir Jovic
Johannes Schaub (litb) wrote:
> dragan wrote:
>
>> Can C++0x PODs/aggregates have user-defined constructors and still be
>> PODs/aggregates? If not, why not? How about conversion operators? And what
>> is the difference between a POD and an aggregate anyway?
>
> Aggregates but not PODs, both in C++03 and C++0x:
>
> string foo[10];
> struct bar {
> string baz;
> };
>
std::string (if you are referring to that here) is not POD, therefore
that structure can not be an aggregate.
> In C++0x, you can use memcpy on trivially copyable types. POD is too strict
> a requirement for this - so if you just want to use memcpy on a type for
> example, making a type trivially copyable would suffice, in particular:
>
> - has no non-trivial copy constructors (12.8),
> — has no non-trivial copy assignment operators (13.5.3, 12.8), and
> — has a trivial destructor (12.4).
>
> A trivial class then is a class that is trivially copyable and that has a
> trivial default constructor. F is trivial and G is trivially copyable:
>
> struct F { Foo() = default; F(int a):a(a) { } int a; };
What is that default thing???
> struct G { Foo(int a):a(a) { } int a; };
>
> For other things, a class has to be a standard layout class. Thus is true
> for "offsetof", to inspect a common initial sequence when two such structs
> are in an union, etc. Look up the details in the latest draft at 9/6.
>
> A POD is a class is trivial and a standard layout class and has no members
> of non-POD etc... . Actually, i haven't found something in the c++0x
> language in 2960 that still requires things to be PODs. Things either seem
> to refer to standard layout classes or trivially copyable.
I think you got that wrong. As far as I know (might be wrong), but
agregate is defined as an array or class that has none of the following
characretistics:
1) user declared constructors
2) private or protected non-static data members
3) base classes
4) virtual functions
--
Bolje je ziveti sto godina kao bogatun, nego jedan dan kao siromah!
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