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完成merge

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邹晓航
2014-11-29 16:01:09 +08:00
parent f41ffea657
commit facdca2970
1 changed files with 34 additions and 3 deletions
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37
TinySTL/List.h
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@@ -143,9 +143,9 @@ namespace TinySTL{
void unique();
template <class BinaryPredicate>
void unique(BinaryPredicate binary_pred);
//void merge(list& x);
//template <class Compare>
//void merge(list& x, Compare comp);
void merge(list& x);
template <class Compare>
void merge(list& x, Compare comp);
//void sort();
//template <class Compare>
//void sort(Compare comp);
@@ -370,6 +370,37 @@ namespace TinySTL{
auto next = i;
this->splice(position, x, i, ++next);
}
template<class T>
void list<T>::merge(list& x){
auto it1 = begin(), it2 = x.begin();
while (it1 != end() && it2 != x.end()){
if (*it1 <= *it2)
++it1;
else{
auto temp = it2++;
this->splice(it1, x, temp);
}
}
if (it1 == end()){
this->splice(it1, x, it2, x.end());
}
}
template<class T>
template <class Compare>
void list<T>::merge(list& x, Compare comp){
auto it1 = begin(), it2 = x.begin();
while (it1 != end() && it2 != x.end()){
if (comp(*it2, *it1)){
auto temp = it2++;
this->splice(it1, x, temp);
}
else
++it1;
}
if (it1 == end()){
this->splice(it1, x, it2, x.end());
}
}
}
#endif