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add Limonp/std_outbound.hpp

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wyy 2013-11-03 21:51:29 -08:00
parent 470bded7de
commit 44c7d4dcb3
1 changed files with 101 additions and 0 deletions
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src/Limonp/std_outbound.hpp Normal file
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#ifndef LIMONP_STD_OUTBOUND_H
#define LIMONP_STD_OUTBOUND_H
#include <tr1/unordered_map>
#include <map>
#include <set>
namespace std
{
template<typename T>
ostream& operator << (ostream& os, const vector<T>& vec)
{
if(vec.empty())
{
return os << "[]";
}
os<<"[\""<<vec[0];
for(uint i = 1; i < vec.size(); i++)
{
os<<"\", \""<<vec[i];
}
os<<"\"]";
return os;
}
template<class T1, class T2>
ostream& operator << (ostream& os, const pair<T1, T2>& pr)
{
os << pr.first << ":" << pr.second ;
return os;
}
template<class T>
string& operator << (string& str, const T& obj)
{
stringstream ss;
ss << obj; // call ostream& operator << (ostream& os,
return str = ss.str();
}
template<class T1, class T2>
ostream& operator << (ostream& os, const map<T1, T2>& mp)
{
if(mp.empty())
{
os<<"{}";
return os;
}
os<<'{';
typename map<T1, T2>::const_iterator it = mp.begin();
os<<*it;
it++;
while(it != mp.end())
{
os<<", "<<*it;
it++;
}
os<<'}';
return os;
}
template<class T1, class T2>
ostream& operator << (ostream& os, const std::tr1::unordered_map<T1, T2>& mp)
{
if(mp.empty())
{
return os << "{}";
}
os<<'{';
typename std::tr1::unordered_map<T1, T2>::const_iterator it = mp.begin();
os<<*it;
it++;
while(it != mp.end())
{
os<<", "<<*it++;
}
return os<<'}';
}
template<class T>
ostream& operator << (ostream& os, const set<T>& st)
{
if(st.empty())
{
os << "{}";
return os;
}
os<<'{';
typename set<T>::const_iterator it = st.begin();
os<<*it;
it++;
while(it != st.end())
{
os<<", "<<*it;
it++;
}
os<<'}';
return os;
}
}
#endif