OpenForum RSS: ��

�� (siegerstein)

Fri, 26 Oct 2007 11:38:26 GMT

>[�� ]
>� �� , �� multimap, � map, ��
>�� ޣ� (��
>� �� - �� ), � �� .
>�� map - �� (��)
>� �� . �� ģ�� , ��-��
>ALL_MIX_DEV["PCM"] (�� PCM, ��).
>
>
>� ��, �� , �� . STL ��
>�� .

��, �� ...
� �� multimap �� map...

�� :)

�� , jd!

�� (jd)

Fri, 26 Oct 2007 02:32:20 GMT

>f.vector.cpp: In function ‘int main()’:
>f.vector.cpp:15: ��: � ‘main()::channel’ �� ‘main()::channel’
>f.vector.cpp:15: ��: �� ‘template<class _Alloc> class std::allocator’
>...

�� -�� :
[code]
#include <vector>
#include <string>
#include <iostream>

using namespace std;

struct channel
{ string name;
int value;
channel(const string &n, int v): name(n), value(v) {}
};

int main()
{ vector<channel> v;
v.push_back(channel("PCM", 15));
v.push_back(channel("VOL", 24));
v.push_back(channel("MIC", 8));

for(int i=0; i<3; i++)
cout<<v[ i].name<<": "<<v[ i].value<<endl;

return 0;
}
[/code]

� �� .

� �� , �� multimap, � map, �� ޣ� (�� - �� ), � �� . ��

�� (siegerstein)

Thu, 25 Oct 2007 13:29:35 GMT

>http://www.cppreference.com/cppmap/all.html

��, �� . �� :

http://www.yolinux.com/TUTORIALS/CppStlMultiMap.html

�� (siegerstein)

Thu, 25 Oct 2007 13:24:49 GMT

>>�� string, � �� int.
>
>�� multimap ��? �� ģ�?

��, �� !

http://www.cppreference.com/cppmap/all.html

�� (OSS /dev/mixer):

std::multimap<std::string, int> ALL_MIX_DEV;

// List of ALL avaible devices
for (int i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
ALL_MIX_DEV.insert(std::pair<std::string, int>(sound_device_names[i], i));
}

for (std::multimap<std::string, int>::iterator it = ALL_MIX_DEV.begin(); it != ALL_MIX_DEV.end(); ++it) {
std::cout << " [" << (*it).first << ", " << (*it).second << "]" << std::endl;
}

....

std::pair<std::multimap<std::string, int>::iterator, std::multimap<std::string, int>::iterator> ppp;
ppp = ALL_MIX_DEV.equal_range(v[1]);
std::multimap<std::string, int>::iterator it2 = ppp.first;

ioctl(mixer_fd, MIXER_READ((*it2).second), &level);
std::cout << std::setw(7) << (level & 0xff) << (level & 0xf

�� (DeadMustdie)

Thu, 25 Oct 2007 05:30:21 GMT

boost::variant ��.

http://www.boost.org/doc/html/variant.html

�� (phpcoder)

Thu, 25 Oct 2007 04:26:34 GMT

>�� string, � �� int.

�� multimap ��? �� ģ�?

�� (jd)

Wed, 24 Oct 2007 23:18:32 GMT

�� :
[code]
struct channel
{ string name;
int value;
channel(const string &n, int v): name(n), value(v) {}
};

//...
vector<channel> v;
v.push_back(channel("PCM", 15));
v.push_back(channel("VOL", 24));
v.push_back(channel("MIC", 8));

for(int i=0; i<3; i++)
cout<<v[ i].name<<": "<<v[ i].value<<endl;
[/code]

�� - �� C++ �� ...

�� (jd)

Wed, 24 Oct 2007 23:05:40 GMT

>��
>string, � �� int.

�� ? "� �� " � �� , �� - ��...

�� (siegerstein)

Wed, 24 Oct 2007 23:03:31 GMT

>[�� ]
>>for(int i=0; i<3; i++)
>> for(int j=0; j<2; j++)
>> cout<<vv[ i][j]<<endl;
>>[/code]
>>
>>� �� : �� (�� ) �� .
>
>�� jd, �� tx2 �� :)
>
>�� )

� �� , �� , �� :)

��-�� :

std::vector< std::vector< int > > test;

std::vector< int > v1;
std::vector< std::string > v2;

v1.push_back(15);
v1.push_back(24);
v1.push_back(8);

v2.push_back("PCM");
v2.push_back("VOL");
v2.push_back("MIC");

test.push_back(v1);
test.push_back(v2);

�� .
�� -�� ?

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���������� ������ (jd)

���������� ������ (jd)

���������� ������ (siegerstein)

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�� (siegerstein)

�� (jd)

�� (siegerstein)

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�� (jd)

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