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STL initialize iterator problem with compiler change
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Roland Pibinger
*nix forums Guru Wannabe


Joined: 31 Mar 2005
Posts: 262

PostPosted: Tue Jun 13, 2006 8:54 pm    Post subject: Re: STL initialize iterator problem with compiler change Reply with quote
On Tue, 13 Jun 2006 19:25:21 +0000, Pedro Sousa <pasousa@inbox.com>
wrote:
Quote:
mlimber wrote:
g++4 is the more conformant compiler on this point. Your for-loop
should read:

for ( typename vector<T>::iterator i = v.begin(); i != v.end(); ++i)

Can you say where I can read g++4 information about this topic?
I would like to learn it's behavior about the iterators.

http://womble.decadentplace.org.uk/c++/template-faq.html#disambiguation
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Pedro Sousa
*nix forums beginner


Joined: 08 Jun 2006
Posts: 5

PostPosted: Tue Jun 13, 2006 6:32 pm    Post subject: Re: STL initialize iterator problem with compiler change Reply with quote
mlimber wrote:
Quote:
brianhray@gmail.com wrote:
This works find in Dev Studio and Codewarrior but does not compile
GCC4:

template <class T
void SerializeVector(RArchive &ar, vector<T>& v)
{
for (vector<T>::iterator i = v.begin(); i != v.end(); i++)
SerializeVar(ar, *i);
}


I get "error: expected `;' before 'i'". Even if I just have
"vector<T>::iterator i ". Why would changing compilers cause this
problem? Am I doing something wrong? How do I fix?

--bhr

g++4 is the more conformant compiler on this point. Your for-loop
should read:

for ( typename vector<T>::iterator i = v.begin(); i != v.end(); ++i)

Can you say where I can read g++4 information about this topic?

I would like to learn it's behavior about the iterators.

Thanks in advance
Pedro Sousa

Quote:

For the change in the increment, see

http://www.parashift.com/c++-faq-lite/operator-overloading.html#faq-13.15

Cheers! --M


--
Posted via a free Usenet account from http://www.teranews.com
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mlimber
*nix forums Guru


Joined: 06 Sep 2005
Posts: 1249

PostPosted: Tue Jun 13, 2006 6:31 pm    Post subject: Re: STL initialize iterator problem with compiler change Reply with quote
Pedro Sousa wrote:
Quote:
mlimber wrote:
brianhray@gmail.com wrote:
This works find in Dev Studio and Codewarrior but does not compile
GCC4:

template <class T
void SerializeVector(RArchive &ar, vector<T>& v)
{
for (vector<T>::iterator i = v.begin(); i != v.end(); i++)
SerializeVar(ar, *i);
}


I get "error: expected `;' before 'i'". Even if I just have
"vector<T>::iterator i ". Why would changing compilers cause this
problem? Am I doing something wrong? How do I fix?

--bhr

g++4 is the more conformant compiler on this point. Your for-loop
should read:

for ( typename vector<T>::iterator i = v.begin(); i != v.end(); ++i)

Can you say where I can read g++4 information about this topic?

I would like to learn it's behavior about the iterators.

You should ask in a g++ newsgroup, two of which are listed in this FAQ:

http://www.parashift.com/c++-faq-lite/how-to-post.html#faq-5.9

Cheers! --M
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mlimber
*nix forums Guru


Joined: 06 Sep 2005
Posts: 1249

PostPosted: Mon Jun 05, 2006 6:37 pm    Post subject: Re: STL initialize iterator problem with compiler change Reply with quote
brianhray@gmail.com wrote:
Quote:
This works find in Dev Studio and Codewarrior but does not compile
GCC4:

template <class T
void SerializeVector(RArchive &ar, vector<T>& v)
{
for (vector<T>::iterator i = v.begin(); i != v.end(); i++)
SerializeVar(ar, *i);
}


I get "error: expected `;' before 'i'". Even if I just have
"vector<T>::iterator i ". Why would changing compilers cause this
problem? Am I doing something wrong? How do I fix?

--bhr

g++4 is the more conformant compiler on this point. Your for-loop
should read:

for ( typename vector<T>::iterator i = v.begin(); i != v.end(); ++i)

For the change in the increment, see

http://www.parashift.com/c++-faq-lite/operator-overloading.html#faq-13.15

Cheers! --M
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brianhray@gmail.com
*nix forums beginner


Joined: 14 Jun 2005
Posts: 4

PostPosted: Mon Jun 05, 2006 6:32 pm    Post subject: STL initialize iterator problem with compiler change Reply with quote
This works find in Dev Studio and Codewarrior but does not compile
GCC4:

template <class T>
void SerializeVector(RArchive &ar, vector<T>& v)
{
for (vector<T>::iterator i = v.begin(); i != v.end(); i++)
SerializeVar(ar, *i);
}


I get "error: expected `;' before 'i'". Even if I just have
"vector<T>::iterator i ". Why would changing compilers cause this
problem? Am I doing something wrong? How do I fix?

--bhr
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