offset-type.h File Reference

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Macros
#define	DEFINE_OFFSET_TYPE(TYPE, UNDERLYING)
#define	DEFINE_OFFSET_REL_OP(OP)
#define	DEFINE_OFFSET_ARITHM_OP(OP)

Functions
template<typename E , typename = decltype (is_offset_type (std::declval<E> ()))>
constexpr std::underlying_type< E >::type	operator+ (E lhs, E rhs)=delete
template<typename E , typename = decltype (is_offset_type (std::declval<E> ()))>
constexpr std::underlying_type< E >::type	operator- (E lhs, E rhs)

Macro Definition Documentation

DEFINE_OFFSET_ARITHM_OP

#define DEFINE_OFFSET_ARITHM_OP

(

OP

)

Value:

template<typename E,                            \
       typename = decltype (is_offset_type (std::declval<E> ()))>   \
  constexpr E                               \
  operator OP (E lhs, typename std::underlying_type<E>::type rhs)   \
  {                                 \
    using underlying = typename std::underlying_type<E>::type;      \
    return (E) (static_cast<underlying> (lhs) OP rhs);          \
  }                                 \
                                    \
  template<typename E,                          \
       typename = decltype (is_offset_type (std::declval<E> ()))>   \
  constexpr E                               \
  operator OP (typename std::underlying_type<E>::type lhs, E rhs)   \
  {                                 \
    using underlying = typename std::underlying_type<E>::type;      \
    return (E) (lhs OP static_cast<underlying> (rhs));          \
  }                                 \
                                    \
  template<typename E,                          \
       typename = decltype (is_offset_type (std::declval<E> ()))>   \
  E &                                   \
  operator OP ## = (E &lhs, typename std::underlying_type<E>::type rhs) \
  {                                 \
    using underlying = typename std::underlying_type<E>::type;      \
    lhs = (E) (static_cast<underlying> (lhs) OP rhs);           \
    return lhs;                             \
  }

Definition at line 95 of file offset-type.h.

DEFINE_OFFSET_REL_OP

#define DEFINE_OFFSET_REL_OP

(

OP

)

Value:

template<typename E,                            \
       typename = decltype (is_offset_type (std::declval<E> ()))>   \
  constexpr bool                            \
  operator OP (E lhs, E rhs)                        \
  {                                 \
    using underlying = typename std::underlying_type<E>::type;      \
    return (static_cast<underlying> (lhs)               \
        OP static_cast<underlying> (lhs));              \
  }

Definition at line 76 of file offset-type.h.

DEFINE_OFFSET_TYPE

#define DEFINE_OFFSET_TYPE	(		TYPE,
			UNDERLYING
	)

Value:

enum class TYPE : UNDERLYING {};        \
  void is_offset_type (TYPE)

Definition at line 53 of file offset-type.h.

Function Documentation

operator+()

template<typename E , typename = decltype (is_offset_type (std::declval<E> ()))>

constexpr std::underlying_type<E>::type operator+ ( E  lhs, E  rhs  )

delete

operator-()

template<typename E , typename = decltype (is_offset_type (std::declval<E> ()))>

constexpr std::underlying_type<E>::type operator-	(	E	lhs,
		E	rhs
	)

Definition at line 143 of file offset-type.h.