std::type_index:: hash_code
From cppreference.com
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types
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type index
C++
Utilities library
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Type support
Basic types | |||||||||||||||||||||
Fixed width integer types (C++11) | |||||||||||||||||||||
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Numeric limits | |||||||||||||||||||||
C numeric limits interface | |||||||||||||||||||||
Runtime type information | |||||||||||||||||||||
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std::type_index
Member functions | ||||
type_index::hash_code
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Helper classes | ||||
(C++11)
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std::
size_t
hash_code
(
)
const
noexcept
;
|
(since C++11) | |
Returns the hash code of the associated std::type_info object. Equivalent to calling type_info::hash_code directly.
Parameters
(none)
Return value
The hash code of the associated std::type_info object.
Example
This section is incomplete
Reason: no example |
Defect reports
The following behavior-changing defect reports were applied retroactively to previously published C++ standards.
DR | Applied to | Behavior as published | Correct behavior |
---|---|---|---|
LWG 2144 | C++11 |
type_index::hash_code
was not required to be noexcept
|
required |
See also
(C++11)
|
hash support for
std::type_index
(class template specialization) |
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