not_null.hpp File Reference

Table of Contents

• Classes
• Namespaces
• Typedefs
• Functions
• Detailed Description

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

#include <functional>
#include <memory>
#include <type_traits>
#include <utility>
#include <userver/utils/assert.hpp>

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Classes
class	utils::NotNull< T >
	Restricts a pointer or smart pointer to only hold non-null values. More...
struct	std::hash<::utils::NotNull< T > >

Namespaces
namespace	utils
	Utilities.

Typedefs
template<typename U >
using	utils::SharedRef = NotNull< std::shared_ptr< U > >
	A std::shared_ptr that is guaranteed to be not-null.
template<typename U >
using	utils::UniqueRef = NotNull< std::unique_ptr< U > >
	A std::unique_ptr that is guaranteed to be not-null.

Functions
template<typename U , typename... Args>
SharedRef< U >	utils::MakeSharedRef (Args &&... args)
	An equivalent of std::make_shared for SharedRef.
template<typename U , typename... Args>
UniqueRef< U >	utils::MakeUniqueRef (Args &&... args)
	An equivalent of std::make_unique for UniqueRef.

Detailed Description

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

Definition in file not_null.hpp.