vita/api/value_8h_source.html

#if !defined(VITA_VALUE_H)

#define      VITA_VALUE_H


#include <iosfwd>

#include <string>

#include <variant>


namespace vita

{


enum domain_t {d_void = 0, d_int, d_double, d_string};


using D_VOID   = std::monostate;

using D_INT    =            int;

using D_DOUBLE =         double;

using D_STRING =    std::string;


using value_t = std::variant<D_VOID, D_INT, D_DOUBLE, D_STRING>;


inline bool has_value(const value_t &v)

{

  return !std::holds_alternative<std::monostate>(v);

}


std::ostream &operator<<(std::ostream &, const value_t &);


}  // namespace vita


#endif  // include guard

vita
The main namespace for the project.

vita::has_value
bool has_value(const value_t &v)
Definition: value.h:51

vita::domain_t
domain_t
In an environment where a symbol such as '+' may have many different meanings, it's useful to specify...
Definition: value.h:34

vita::operator<<
std::ostream & operator<<(std::ostream &o, hash_t h)
Mainly useful for debugging / testing.
Definition: cache_hash.cc:56

vita::value_t
std::variant< D_VOID, D_INT, D_DOUBLE, D_STRING > value_t
A variant containing the data types used by the interpreter for internal calculations / output value ...
Definition: value.h:45