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/* cbox: heap allocated boxed type */
#include <stc/cstr.h>
typedef struct { cstr name, last; } Person;
Person Person_make(const char* name, const char* last) {
return (Person){.name = cstr_from(name), .last = cstr_from(last)};
}
int Person_cmp(const Person* a, const Person* b) {
int c = cstr_cmp(&a->name, &b->name);
return c ? c : cstr_cmp(&a->last, &b->last);
}
uint64_t Person_hash(const Person* a) {
return cstr_hash(&a->name) ^ cstr_hash(&a->last);
}
Person Person_clone(Person p) {
p.name = cstr_clone(p.name);
p.last = cstr_clone(p.last);
return p;
}
void Person_drop(Person* p) {
printf("drop: %s %s\n", cstr_str(&p->name), cstr_str(&p->last));
c_drop(cstr, &p->name, &p->last);
}
#define i_type PSPtr
#define i_valclass Person // ensure Person_drop
#define i_cmp Person_cmp // specify object cmp, instead of ptr cmp for arc.
#include <stc/carc.h>
#define i_type Persons
#define i_valboxed PSPtr // binds PSPtr_cmp, PSPtr_drop...
#include <stc/cvec.h>
int main()
{
c_auto (Persons, vec)
c_auto (PSPtr, p, q)
{
p = PSPtr_from(Person_make("Laura", "Palmer"));
// We want a deep copy -- PSPtr_clone(p) only shares!
q = PSPtr_from(Person_clone(*p.get));
cstr_assign(&q.get->name, "Leland");
printf("orig: %s %s\n", cstr_str(&p.get->name), cstr_str(&p.get->last));
printf("copy: %s %s\n", cstr_str(&q.get->name), cstr_str(&q.get->last));
// Use Persons_emplace to implicitly call PSPtr_make on the argument.
// No need to do: Persons_push(&vec, PSPtr_make(Person_make("Audrey", "Home")));
Persons_emplace(&vec, Person_make("Audrey", "Home"));
Persons_emplace(&vec, Person_make("Dale", "Cooper"));
// Clone/share p and q to the vector
c_forlist (i, PSPtr, {p, q})
Persons_push(&vec, PSPtr_clone(*i.ref));
c_foreach (i, Persons, vec)
printf("%s %s\n", cstr_str(&i.ref->get->name), cstr_str(&i.ref->get->last));
puts("");
// Look-up Audrey!
c_with (Person a = Person_make("Audrey", "Home"), Person_drop(&a)) {
const PSPtr *v = Persons_get(&vec, a);
if (v) printf("found: %s %s\n", cstr_str(&v->get->name), cstr_str(&v->get->last));
}
puts("");
}
}
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