1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/* cbox: heap allocated boxed type */
#include <stc/cstr.h>
typedef struct { cstr name, last; } Person;
Person Person_new(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 = strcmp(a->name.str, b->name.str);
return c ? c : strcmp(a->last.str, b->last.str);
}
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", p->name.str, p->last.str);
c_drop(cstr, &p->name, &p->last);
}
#define i_type PSPtr
#define i_val_bind Person // binds Person_cmp, ...
#include <stc/carc.h>
#define i_type Persons
#define i_val_sptr PSPtr // binds PSPtr_cmp, ...
#include <stc/cvec.h>
int main()
{
c_auto (Persons, vec)
c_auto (PSPtr, p, q)
{
p = PSPtr_from(Person_new("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", p.get->name.str, p.get->last.str);
printf("copy: %s %s\n", q.get->name.str, q.get->last.str);
Persons_push_back(&vec, PSPtr_from(Person_new("Dale", "Cooper")));
Persons_push_back(&vec, PSPtr_from(Person_new("Audrey", "Home")));
// Clone/share p and q to the vector
c_apply(v, Persons_push_back(&vec, PSPtr_clone(v)), PSPtr, {p, q});
c_foreach (i, Persons, vec)
printf("%s %s\n", i.ref->get->name.str, i.ref->get->last.str);
puts("");
// Look-up Audrey!
c_autovar (Person a = Person_new("Audrey", "Home"), Person_drop(&a)) {
const PSPtr *v = Persons_get(&vec, a);
if (v) printf("found: %s %s\n", v->get->name.str, v->get->last.str);
}
puts("");
}
}
|
