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#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
#include <stdint.h>
#define GEN_NAME(type) struct myvec_ ## type
#define MK_VEC_TYPE(type) GEN_NAME(type) {size_t sz; type arr[];};
#define MK_VEC_NEW(type) \
GEN_NAME(type) *myvec_new_ ## type (size_t num) \
{ \
struct myvec_ ## type *tmp = malloc(sizeof(type) * num); \
if (tmp == NULL) \
{ \
return NULL; \
} \
tmp->sz = num; \
return tmp; \
}
#define MK_VEC_DELETE(type) \
void myvec_delete_ ## type (GEN_NAME(type) *v) \
{ \
free(v); \
}
#define MK_VEC_GET(type) \
type myvec_get_ ## type (GEN_NAME(type) *v, size_t pos) \
{ \
if(pos < v->sz) \
{ \
return v->arr[pos]; \
} \
else \
{ \
exit(-1); \
} \
}
// исключения - говно
#define MK_VEC_SET(type) \
void myvec_set_ ## type (GEN_NAME(type) *v, size_t pos, type val) \
{ \
if(pos < v->sz) \
{ \
v->arr[pos] = val; \
} \
else \
{ \
exit(-1); \
} \
}
#define MK_VEC_GETSZ(type) \
size_t myvec_getsz_ ## type (GEN_NAME(type) v) \
{ \
return v.sz; \
}
#define MK_SHIT(type) \
MK_VEC_TYPE(type) \
MK_VEC_NEW(type) \
MK_VEC_DELETE(type) \
MK_VEC_GET(type) \
MK_VEC_GETSZ(type) \
MK_VEC_SET(type)
MK_SHIT(int)
MK_SHIT(float)
MK_SHIT(double)
#define test(a) _Generic(a, int : 1, GEN_NAME(int) : 2, default : 0)
#define MTD_C(val,mtd) _Generic( val,\
GEN_NAME(int): myvec_ ## mtd ##_int, \
GEN_NAME(float): myvec_ ## mtd ##_float, \
GEN_NAME(double): myvec_ ## mtd ##_double, \
default: 0) // хуй там!
#define GET(vec,pos) MTD_C(vec,get)(&vec,pos)
#define SET(vec, pos, val) MTD_C(vec,set)(&vec,pos,val)
#define GETSZ(vec) MTD_C(vec,getsz)(vec)
int main(void)
{
GEN_NAME(int) *vec1 = myvec_new_int(10);
SET(*vec1, 0, 123);
size_t size = GETSZ(*vec1);
printf("vector size is %zu\n", size);
printf("vector vec1[0] is %d\n", GET(*vec1,0));
return 0;
}
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