Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is the documentation for a snapshot of the develop branch, built from commit 5647ae5b52.

value::hash_value

Helper for boost::hash support.

Synopsis

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

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

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>