Difference between revisions of "cpp/utility/pair"
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Revision as of 14:17, 15 June 2012
| Defined in header <utility>
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| template< class T1, |
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std::pair is a struct template that provides a way to store two heterogeneous objects as a single unit.
Contents |
Member types
| Member type | Definition |
first_type
|
T1
|
second_type
|
T2
|
Member objects
| Member name | Type |
first
|
T1
|
second
|
T2
|
Member functions
| constructs new pair (public member function) | |
| assigns the contents (public member function) | |
| (C++11) |
swaps the contents (public member function) |
Non-member functions
creates a pair object of type, determined by the argument types (function template) | |
| (removed in C++20)(removed in C++20)(removed in C++20)(removed in C++20)(removed in C++20)(C++20) |
lexicographically compares the values in the pair (function template) |
| (C++11) |
specializes the std::swap algorithm (function template) |
| (C++11) |
accesses an element of a pair (function template) |
Helper classes
| (C++11) |
obtains the size of a pair (class template specialization) |
obtains the type of the elements of pair (class template specialization) |
