std::pair
From cppreference.com
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. A pair is a specific case of a std::tuple with two elements.
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[edit] Template parameters
T1, T2 | - | the types of the elements that the pair stores. |
[edit] Member types
Member type | Definition |
first_type
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T1
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second_type
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T2
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[edit] Member objects
Member name | Type |
first
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T1
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second
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T2
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[edit] Member functions
constructs new pair (public member function) |
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assigns the contents (public member function) |
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(C++11)
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swaps the contents (public member function) |
[edit] Non-member functions
creates a pair object of type, defined by the argument types (function template) |
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lexicographically compares the values in the pair (function template) |
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(C++11)
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specializes the std::swap algorithm (function template) |
(C++11)
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accesses an element of a pair (function template) |
[edit] Helper classes
(C++11)
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obtains the size of a pair (class template specialization) |
(C++11)
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obtains the type of the elements of pair (class template specialization) |
[edit] See also
(C++11)
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implements fixed size container, which holds elements of possibly different types (class template) |