std::hash<std::error_condition>

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Revision as of 15:46, 3 August 2020 by Ljestrada (Talk | contribs)

Defined in header `<system_error>`
template<> struct hash<error_condition>;		(since C++17)

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

Compiler support
Freestanding and hosted
Language
Standard library
Standard library headers
Named requirements
Feature test macros (C++20)
Language support library
Concepts library (C++20)
Diagnostics library
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Metaprogramming library (C++11)
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Ranges library (C++20)
Algorithms library
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External libraries

Member functions
error_condition::error_condition
error_condition::operator=
error_condition::assign
error_condition::clear
error_condition::value
error_condition::category
error_condition::message
error_condition::operator bool
Non-member functions
operator==operator!=operator<operator<=> (until C++20)(until C++20)(C++20)
Helper classes
is_error_condition_enum
hash<std::error_condition>