utils::NotNull< T > Class Template Reference

#include <userver/utils/not_null.hpp>

Detailed Description

template<typename T>
class utils::NotNull< T >

Restricts a pointer or smart pointer to only hold non-null values.

Definition at line 21 of file not_null.hpp.

Public Member Functions
constexpr	NotNull (const T &u)
constexpr	NotNull (T &&u)
template<typename U , typename = std::enable_if_t<std::is_convertible_v<U, T>>>
constexpr	NotNull (U &&u)
template<typename U , typename = std::enable_if_t<std::is_convertible_v<U*, T>>>
constexpr	NotNull (U &u)
template<typename U , typename = std::enable_if_t<std::is_convertible_v<U, T>>>
constexpr	NotNull (const NotNull< U > &other)
template<typename U , typename = std::enable_if_t<std::is_convertible_v<U, T>>>
constexpr	NotNull (NotNull< U > &&other)
constexpr	NotNull (std::nullptr_t)=delete
	NotNull (const NotNull &other) noexcept=default
	NotNull (NotNull &&other) noexcept=default
NotNull &	operator= (const NotNull &other) noexcept=default
NotNull &	operator= (NotNull &&other) noexcept=default
constexpr NotNull &	operator= (std::nullptr_t)=delete
constexpr const T &	GetBase () const &
constexpr T &&	GetBase () &&
constexpr	operator const T & () const &
constexpr	operator bool ()=delete
constexpr decltype(auto)	operator-> () const &
constexpr decltype(auto)	operator* () const &
template<typename U >
constexpr bool	operator== (const NotNull< U > &other) const &
template<typename U >
constexpr bool	operator!= (const NotNull< U > &other) const &

Constructor & Destructor Documentation

NotNull() [1/6]

template<typename T >

constexpr utils::NotNull< T >::NotNull ( const T & u )

inlineexplicitconstexpr

Definition at line 28 of file not_null.hpp.

NotNull() [2/6]

template<typename T >

constexpr utils::NotNull< T >::NotNull ( T && u )

inlineexplicitconstexpr

Definition at line 30 of file not_null.hpp.

NotNull() [3/6]

template<typename T >

template<typename U , typename = std::enable_if_t<std::is_convertible_v<U, T>>>

constexpr utils::NotNull< T >::NotNull ( U && u )

inlineexplicitconstexpr

Definition at line 35 of file not_null.hpp.

NotNull() [4/6]

template<typename T >

template<typename U , typename = std::enable_if_t<std::is_convertible_v<U*, T>>>

constexpr utils::NotNull< T >::NotNull ( U & u )

inlineconstexpr

Definition at line 40 of file not_null.hpp.

NotNull() [5/6]

template<typename T >

template<typename U , typename = std::enable_if_t<std::is_convertible_v<U, T>>>

constexpr utils::NotNull< T >::NotNull ( const NotNull< U > & other )

inlineconstexpr

Definition at line 43 of file not_null.hpp.

NotNull() [6/6]

template<typename T >

template<typename U , typename = std::enable_if_t<std::is_convertible_v<U, T>>>

constexpr utils::NotNull< T >::NotNull ( NotNull< U > && other )

inlineconstexpr

Definition at line 48 of file not_null.hpp.

Member Function Documentation

GetBase() [1/2]

template<typename T >

constexpr T && utils::NotNull< T >::GetBase ( ) &&

inlineconstexpr

Definition at line 67 of file not_null.hpp.

GetBase() [2/2]

template<typename T >

constexpr const T & utils::NotNull< T >::GetBase ( ) const &

inlineconstexpr

Definition at line 62 of file not_null.hpp.

operator const T &()

template<typename T >

constexpr utils::NotNull< T >::operator const T & ( ) const &

inlineconstexpr

Definition at line 72 of file not_null.hpp.

operator!=()

template<typename T >

template<typename U >

constexpr bool utils::NotNull< T >::operator!= ( const NotNull< U > & other ) const &

inlineconstexpr

Definition at line 86 of file not_null.hpp.

operator*()

template<typename T >

constexpr decltype(auto) utils::NotNull< T >::operator* ( ) const &

inlineconstexpr

Definition at line 78 of file not_null.hpp.

operator->()

template<typename T >

constexpr decltype(auto) utils::NotNull< T >::operator-> ( ) const &

inlineconstexpr

Definition at line 76 of file not_null.hpp.

operator==()

template<typename T >

template<typename U >

constexpr bool utils::NotNull< T >::operator== ( const NotNull< U > & other ) const &

inlineconstexpr

Definition at line 81 of file not_null.hpp.

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The documentation for this class was generated from the following file:

• userver/utils/not_null.hpp