strong_typedef.hpp File Reference

Strong typedef for a type T. More...

#include <functional>
#include <iosfwd>
#include <type_traits>
#include <utility>
#include <fmt/format.h>
#include <userver/utils/fmt_compat.hpp>
#include <boost/functional/hash_fwd.hpp>
#include <userver/formats/common/meta.hpp>
#include <userver/utils/meta.hpp>
#include <userver/utils/underlying_value.hpp>
#include <userver/utils/void_t.hpp>

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Classes
class	utils::StrongTypedef< Tag, T, Ops, class >
	Strong typedef for a type T. More...
struct	std::hash<::utils::StrongTypedef< Tag, T, Ops > >
struct	fmt::formatter< T, Char, std::enable_if_t<::utils::IsStrongTypedef< T >{}> >

Namespaces
namespace	logging
	Logging macro and utilities.
namespace	utils
	Utilities.

Macros
#define	UTILS_STRONG_TYPEDEF_REL_OP(OPERATOR)

Typedefs
template<class Tag , class T >
using	utils::NonLoggable = StrongTypedef< Tag, T, StrongTypedefOps::kCompareStrong|StrongTypedefOps::kNonLoggable >

Enumerations
enum class	utils::StrongTypedefOps {   kNoCompare = 0 ,   utils::kCompareStrong = 1 ,   utils::kCompareTransparentOnly = 2 ,   utils::kCompareTransparent = 3 ,   utils::kNonLoggable = 4 }

Functions
constexpr bool	utils::operator& (StrongTypedefOps op, StrongTypedefOps mask) noexcept
constexpr auto	utils::operator| (StrongTypedefOps op1, StrongTypedefOps op2) noexcept
template<class Tag , class T , StrongTypedefOps Ops>
std::ostream &	utils::operator<< (std::ostream &os, const StrongTypedef< Tag, T, Ops > &v)
	Ostreams and Logging. More...
template<class Tag , class T , StrongTypedefOps Ops>
logging::LogHelper &	utils::operator<< (logging::LogHelper &os, const StrongTypedef< Tag, T, Ops > &v)
template<class Tag , class T , StrongTypedefOps Ops>
constexpr decltype(auto)	utils::UnderlyingValue (const StrongTypedef< Tag, T, Ops > &v) noexcept
template<class Tag , class T , StrongTypedefOps Ops>
constexpr T	utils::UnderlyingValue (StrongTypedef< Tag, T, Ops > &&v) noexcept
constexpr bool	utils::IsStrongTypedefLoggable (StrongTypedefOps Ops)
template<typename Tag , typename T , StrongTypedefOps Ops, typename Enable , typename ValueType >
std::enable_if_t< formats::common::kIsFormatValue< ValueType >, StrongTypedef< Tag, T, Ops, Enable > >	utils::Parse (const ValueType &source, formats::parse::To< StrongTypedef< Tag, T, Ops, Enable > >)
template<typename Tag , typename T , StrongTypedefOps Ops, typename Enable , typename TargetType >
TargetType	utils::Serialize (const StrongTypedef< Tag, T, Ops, Enable > &object, formats::serialize::To< TargetType >)
template<typename Tag , typename T , StrongTypedefOps Ops, typename Enable , typename StringBuilder >
void	utils::WriteToStream (const StrongTypedef< Tag, T, Ops, Enable > &object, StringBuilder &sw)
template<typename Tag , StrongTypedefOps Ops>
std::string	utils::ToString (const StrongTypedef< Tag, std::string, Ops > &object)
template<typename Tag , typename T , StrongTypedefOps Ops, typename = std::enable_if_t<meta::kIsInteger<T>>>
std::string	utils::ToString (const StrongTypedef< Tag, T, Ops > &object)
template<typename Target , typename Tag , typename T , StrongTypedefOps Ops, typename Enable >
constexpr Target	utils::StrongCast (const StrongTypedef< Tag, T, Ops, Enable > &src)
template<typename Target , typename Tag , typename T , StrongTypedefOps Ops, typename Enable >
constexpr Target	utils::StrongCast (StrongTypedef< Tag, T, Ops, Enable > &&src)
template<class Tag , class T , StrongTypedefOps Ops>
std::size_t	utils::hash_value (const StrongTypedef< Tag, T, Ops > &v)

Detailed Description

Strong typedef for a type T.

Definition in file strong_typedef.hpp.

Macro Definition Documentation

UTILS_STRONG_TYPEDEF_REL_OP

#define UTILS_STRONG_TYPEDEF_REL_OP

(

OPERATOR

)

Value:

  template <class Tag1, class T1, StrongTypedefOps Ops1, class Tag2, class T2, \
            StrongTypedefOps Ops2>                                             \
  constexpr bool operator OPERATOR(const StrongTypedef<Tag1, T1, Ops1>&,       \
                                   const StrongTypedef<Tag2, T2, Ops2>&) {     \
    static_assert(!sizeof(T1), "Comparing those StrongTypedefs is forbidden"); \
    return false;                                                              \
  }                                                                            \
                                                                               \
  template <class Tag, class T, StrongTypedefOps Ops>                          \
  constexpr std::enable_if_t<Ops & StrongTypedefOps::kCompareStrong, bool>     \
  operator OPERATOR(const StrongTypedef<Tag, T, Ops>& lhs,                     \
                    const StrongTypedef<Tag, T, Ops>& rhs) {                   \
    return lhs.GetUnderlying() OPERATOR rhs.GetUnderlying();                   \
  }                                                                            \
                                                                               \
  template <class Tag, class T, StrongTypedefOps Ops, class Other>             \
  constexpr impl::strong_typedef::EnableTransparentCompare<Tag, T, Ops, Other> \
  operator OPERATOR(const StrongTypedef<Tag, T, Ops>& lhs, const Other& rhs) { \
    return lhs.GetUnderlying() OPERATOR rhs;                                   \
  }                                                                            \
                                                                               \
  template <class Tag, class T, StrongTypedefOps Ops, class Other>             \
  constexpr impl::strong_typedef::EnableTransparentCompare<Tag, T, Ops, Other> \
  operator OPERATOR(const Other& lhs, const StrongTypedef<Tag, T, Ops>& rhs) { \
    return lhs OPERATOR rhs.GetUnderlying();                                   \
  }

Definition at line 263 of file strong_typedef.hpp.