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#include <stc/cstr.h>
typedef struct {
cstr name;
cstr country;
float lat, lon;
int population;
} City;
static inline int City_cmp(const City* a, const City* b) {
int c = cstr_cmp(&a->name, &b->name);
return c ? c : cstr_cmp(&a->country, &b->country);
}
static inline uint64_t City_hash(const City* a) {
printf("hash %s\n", cstr_str(&a->name));
return cstr_hash(&a->name) ^ cstr_hash(&a->country);
}
static inline City City_clone(City c) {
printf("clone %s\n", cstr_str(&c.name));
c.name = cstr_clone(c.name);
c.country = cstr_clone(c.country);
return c;
}
static inline void City_drop(City* c) {
printf("drop %s\n", cstr_str(&c->name));
c_drop(cstr, &c->name, &c->country);
}
#define i_type CityArc
#define i_key_bind City
#include <stc/cbox.h>
//#include <stc/carc.h> // try instead of cbox.h
#define i_type Cities
#define i_key_arcbox CityArc
#include <stc/cvec.h>
#define i_type CityMap
#define i_key int
#define i_val_arcbox CityArc
#include <stc/csmap.h>
int main(void)
{
c_auto (Cities, cities, copy)
c_auto (CityMap, map)
{
struct City_s { const char *name, *country; float lat, lon; int pop; };
c_apply(c, Cities_push(&cities, CityArc_make((City){cstr_from(c->name), cstr_from(c->country),
c->lat, c->lon, c->pop})), struct City_s, {
{"New York", "US", 4.3, 23.2, 9000000},
{"Paris", "France", 4.3, 23.2, 9000000},
{"Berlin", "Germany", 4.3, 23.2, 9000000},
{"London", "UK", 4.3, 23.2, 9000000},
});
copy = Cities_clone(cities); // share each element!
int k = 0, id[] = {8, 4, 3, 9, 2, 5};
c_foreach (i, Cities, cities)
CityMap_insert(&map, id[k++], CityArc_clone(*i.ref));
Cities_pop(&cities);
Cities_pop(&cities);
printf("Vec:\n");
c_foreach (c, Cities, cities)
printf("city:%s, %d, use:%ld\n", cstr_str(&c.ref->get->name), c.ref->get->population, CityArc_use_count(*c.ref));
printf("\nMap:\n");
c_forpair (id, city, CityMap, map)
printf("id:%d, city:%s, %d, use:%ld\n", *_.id, cstr_str(&_.city->get->name),
_.city->get->population, CityArc_use_count(*_.city));
puts("");
}
}
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