boost::hash_value

Computes a hash value for a dynamic_bitset.

Synopsis

Declared in <boost/dynamic_bitset/dynamic_bitset.hpp>

template<
    typename B,
    typename A>
std::size_t
hash_value(dynamic_bitset<B, A> const& a);

This function is a hidden friend of dynamic_bitset, declared only inside that class: it can be found only through argument-dependent lookup.

Description

This enables the use of dynamic_bitset in hash‐based containers such as boost::unordered_map or boost::unordered_set.

Return Value

The computed hash value.

Parameters

Name

Description

a

The dynamic_bitset template represents a set of bits.

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