Boost C++ Libraries

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This is an older version of Boost and was released in 2024. The current version is 1.90.0.

value::hash_value

value::hash_value

Helper for boost::hash support.

Synopsis

Defined in header <boost/json/value.hpp>

std::size_t
hash_value(
    value const& jv) noexcept;

Description

Computes a hash value for jv. This function is used by boost::hash<value>. Similar overloads for array, object, and string do not exist, because those types are supported by boost::hash out of the box.

Return Value

hash value for jv.

Parameters

Name	Description
`jv`	`value` for which a hash is to be computed.

See Also

Boost.ContainerHash.

Convenience header <boost/json.hpp>