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#pragma once
// Optional types
#include <stdbool.h>
#include <stdint.h>
#include "datatypes.h"
#include "integers.h"
#include "types.h"
#include "util.h"
#define OptionalBool_t uint8_t
#define OptionalArray_t Array_t
#define OptionalTable_t Table_t
#define OptionalText_t Text_t
#define OptionalClosure_t Closure_t
#define NONE_ARRAY ((Array_t){.length=-1})
#define NONE_BOOL ((OptionalBool_t)2)
#define NONE_INT ((OptionalInt_t){.small=0})
#define NONE_TABLE ((OptionalTable_t){.entries.length=-1})
#define NONE_CLOSURE ((OptionalClosure_t){.fn=NULL})
#define NONE_TEXT ((OptionalText_t){.length=-1})
#define NONE_MOMENT ((OptionalMoment_t){.tv_usec=-1})
PUREFUNC bool is_null(const void *obj, const TypeInfo_t *non_optional_type);
PUREFUNC uint64_t Optional$hash(const void *obj, const TypeInfo_t *type);
PUREFUNC int32_t Optional$compare(const void *x, const void *y, const TypeInfo_t *type);
PUREFUNC bool Optional$equal(const void *x, const void *y, const TypeInfo_t *type);
Text_t Optional$as_text(const void *obj, bool colorize, const TypeInfo_t *type);
void Optional$serialize(const void *obj, FILE *out, Table_t *pointers, const TypeInfo_t *type);
void Optional$deserialize(FILE *in, void *outval, Array_t *pointers, const TypeInfo_t *type);
#define Optional$metamethods ((metamethods_t){ \
.hash=Optional$hash, \
.compare=Optional$compare, \
.equal=Optional$equal, \
.as_text=Optional$as_text, \
.serialize=Optional$serialize, \
.deserialize=Optional$deserialize, \
})
#define Optional$info(_size, _align, t) &((TypeInfo_t){.size=_size, .align=_align, \
.tag=OptionalInfo, .OptionalInfo.type=t, \
.metamethods=Optional$metamethods})
// vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1,\:0
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