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std::hash<std::error_code>

Defined in header `<system_error>`
template<> struct hash<error_code>;		(since C++11)

The template specialization of std::hash for std::error_code allows users to obtain hashes of objects of type std::error_code.

Links:

http://en.cppreference.com/w/cpp/error/error_code/hash

doc_CPP

2016-10-11 10:03:15

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