Datum.hpp

A single piece of data, either a value or an String.

This file is part of Empirical, https://github.com/devosoft/Empirical Copyright (C) 2021-2024 Michigan State University MIT Software license; see doc/LICENSE.md

DEVELOPER NOTES:

For now, using unions, but this creates complications with non-trivial constructor/destructor for strings, so could try shifting over.

Note

Status: ALPHA

Defines

INCLUDE_EMP_DATA_DATUM_HPP_GUARD

Functions

std::ostream &operator<<(std::ostream &out, const Datum &d)

Datum operator%(double value1, Datum value2)

class Datum

#include <Datum.hpp>

Public Functions

inline Datum()

inline Datum(double in)

inline Datum(const std::string &in)

inline Datum(const String &in)

inline Datum(String &&in)

inline Datum(const char *in)

inline Datum(const Datum &in)

inline Datum(Datum &&in)

inline ~Datum()

inline bool IsDouble() const: Is this natively stored as a double?

inline bool IsString() const: Is this natively stored as a string?

inline double &NativeDouble(): If we know Datum is a Double, we can request its native form.

inline double NativeDouble() const

inline String &NativeString(): If we know Datum is a String, we can request its native form.

inline const String &NativeString() const

inline double AsDouble() const

inline String AsString() const

inline operator double() const

inline operator std::string() const

inline operator String() const

inline Datum &SetDouble(double in)

template<typename T> inline Datum &SetString(T &&in)

inline Datum &Set(const Datum &in)

inline Datum &operator=(double in)

inline Datum &operator=(const std::string &in)

inline Datum &operator=(String &&in)

inline Datum &operator=(const char *in)

inline Datum &operator=(const Datum &in)

inline Datum operator+() const

inline Datum operator-() const

inline Datum operator!() const

inline int CompareNumber(double rhs) const

inline int CompareString(const std::string &rhs) const

inline int Compare(double rhs) const

inline int Compare(const std::string &rhs) const

inline int Compare(const char *rhs) const

inline int Compare(const Datum &rhs) const

template<typename T> inline bool operator==(const T &rhs) const

template<typename T> inline bool operator!=(const T &rhs) const

template<typename T> inline bool operator<(const T &rhs) const

template<typename T> inline bool operator>=(const T &rhs) const

template<typename T> inline bool operator>(const T &rhs) const

template<typename T> inline bool operator<=(const T &rhs) const

inline Datum operator+(double in) const

inline Datum operator*(double in) const

inline Datum operator-(double in) const

inline Datum operator/(double in) const

inline Datum operator%(double in) const

inline Datum operator+(const Datum &in) const

inline Datum operator*(const Datum &in) const

inline Datum operator-(const Datum &in) const

inline Datum operator/(const Datum &in) const

inline Datum operator%(const Datum &in) const

template<typename T> inline Datum operator+=(T &&in)

template<typename T> inline Datum operator-=(T &&in)

template<typename T> inline Datum operator*=(T &&in)

template<typename T> inline Datum operator/=(T &&in)

template<typename T> inline Datum operator%=(T &&in)

Public Members

double num

String str

Private Functions

inline void InitString()

template<typename T> inline void InitString(T &&in)

inline void FreeString()

Private Members

union Datum::[anonymous] [anonymous]

bool is_num = true