qhash.h File Reference

(d7c73fbba2b872381ed1dff7d52bfb8c67a5f271)

#include <QtCore/qalgorithms.h>
#include <QtCore/qcontainertools_impl.h>
#include <QtCore/qhashfunctions.h>
#include <QtCore/qiterator.h>
#include <QtCore/qlist.h>
#include <QtCore/qrefcount.h>
#include <QtCore/qscopeguard.h>
#include <QtCore/qttypetraits.h>
#include <initializer_list>
#include <functional>
#include <QtCore/q20type_traits.h>

Include dependency graph for qhash.h:

Go to the source code of this file.

Classes
struct	QHashDummyValue
struct	QHashPrivate::Node< Key, T >
struct	QHashPrivate::Node< Key, QHashDummyValue >
struct	QHashPrivate::MultiNodeChain< T >
struct	QHashPrivate::MultiNode< Key, T >
struct	QHashPrivate::SpanConstants
struct	QHashPrivate::Span< Node >
struct	QHashPrivate::Span< Node >::Entry
struct	QHashPrivate::Data< Node >
struct	QHashPrivate::Data< Node >::Bucket
struct	QHashPrivate::Data< Node >::InsertionResult
struct	QHashPrivate::iterator< Node >
class	QHash< Key, T >
	\inmodule QtCore More...
class	QHash< Key, T >::iterator
	\inmodule QtCore More...
class	QHash< Key, T >::const_iterator
	\inmodule QtCore More...
class	QHash< Key, T >::key_iterator
	\inmodule QtCore More...
class	QHash< Key, T >::TryEmplaceResult
	\inmodule QtCore More...
class	QMultiHash< Key, T >
	\inmodule QtCore More...
class	QMultiHash< Key, T >::iterator
	\inmodule QtCore More...
class	QMultiHash< Key, T >::const_iterator
	\inmodule QtCore More...
class	QMultiHash< Key, T >::key_iterator
	\inmodule QtCore More...

Namespaces
namespace	QHashPrivate
namespace	QHashPrivate::GrowthPolicy

Typedefs
template<typename HashKey, typename KeyArgument>
using	QHashPrivate::HeterogenousConstructProxy

Functions
template<typename T>
size_t	QHashPrivate::calculateHash (const T &tt, size_t seed=0)
constexpr size_t	QHashPrivate::GrowthPolicy::bucketsForCapacity (size_t requestedCapacity) noexcept
constexpr size_t	QHashPrivate::GrowthPolicy::bucketForHash (size_t nBuckets, size_t hash) noexcept
template<class Key, class T>
size_t	qHash (const QHash< Key, T > &keykey, size_t seed=0) noexcept(noexcept(qHash(std::declval< Key & >())) &&noexcept(qHash(std::declval< T & >())))
template<class Key, class T>
size_t	qHash (const QMultiHash< Key, T > &keykey, size_t seed=0) noexcept(noexcept(qHash(std::declval< Key & >())) &&noexcept(qHash(std::declval< T & >())))
template<typename Key, typename T, typename Predicate>
qsizetype	erase_if (QHash< Key, T > &hash, Predicate pred)
template<typename Key, typename T, typename Predicate>
qsizetype	erase_if (QMultiHash< Key, T > &hash, Predicate pred)

Variables
template<typename T, typename = void>
constexpr bool	QHashPrivate::HasQHashOverload = false
template<typename T>
constexpr bool	QHashPrivate::HasQHashOverload< T, std::enable_if_t< std::is_convertible_v< decltype(qHash(std::declval< const T & >(), std::declval< size_t >())), size_t > > > = true
template<typename T, typename = void>
constexpr bool	QHashPrivate::HasStdHashSpecializationWithSeed = false
template<typename T>
constexpr bool	QHashPrivate::HasStdHashSpecializationWithSeed< T, std::enable_if_t< std::is_convertible_v< decltype(std::hash< T >()(std::declval< const T & >(), std::declval< size_t >())), size_t > > > = true
template<typename T, typename = void>
constexpr bool	QHashPrivate::HasStdHashSpecializationWithoutSeed = false
template<typename T>
constexpr bool	QHashPrivate::HasStdHashSpecializationWithoutSeed< T, std::enable_if_t< std::is_convertible_v< decltype(std::hash< T >()(std::declval< const T & >())), size_t > > > = true
template<typename Node>
constexpr bool	QHashPrivate::isRelocatable_v

Function Documentation

erase_if() [1/2]

template<typename Key, typename T, typename Predicate>

qsizetype erase_if ( QHash< Key, T > & hash, Predicate pred )

related

Definition at line 2776 of file qhash.h.

erase_if() [2/2]

template<typename Key, typename T, typename Predicate>

qsizetype erase_if ( QMultiHash< Key, T > & hash, Predicate pred )

related

Definition at line 2782 of file qhash.h.

qHash() [1/2]

template<class Key, class T>

size_t qHash ( const QHash< Key, T > & key, size_t seed = 0 )

noexcept

Since

5.8 \qhasholdTS{QHash}{Key}{T}

Definition at line 2748 of file qhash.h.

qHash() [2/2]

template<class Key, class T>

size_t qHash ( const QMultiHash< Key, T > & key, size_t seed = 0 )

inlinenoexcept

Since

5.8 \qhasholdTS{QMultiHash}{Key}{T}

Definition at line 2762 of file qhash.h.