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| author | tylov <[email protected]> | 2023-07-20 15:09:10 +0200 |
|---|---|---|
| committer | tylov <[email protected]> | 2023-07-20 15:12:29 +0200 |
| commit | 900295256d825fc323149cd223c49787f32a3696 (patch) | |
| tree | 6c79cf4209e3975bb6865e2940b9cb56ea469c73 /misc/examples/smartpointers/new_sptr.c | |
| parent | 224a04f7fa7549ed94d2a1415eb25829e39a7cca (diff) | |
| download | STC-modified-900295256d825fc323149cd223c49787f32a3696.tar.gz STC-modified-900295256d825fc323149cd223c49787f32a3696.zip | |
Moved examples to sub-directories. Added cotask1.c cotask2.c examples.
Diffstat (limited to 'misc/examples/smartpointers/new_sptr.c')
| -rw-r--r-- | misc/examples/smartpointers/new_sptr.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/misc/examples/smartpointers/new_sptr.c b/misc/examples/smartpointers/new_sptr.c new file mode 100644 index 00000000..3c6fa16c --- /dev/null +++ b/misc/examples/smartpointers/new_sptr.c @@ -0,0 +1,75 @@ +#define i_implement +#include <stc/cstr.h> + +typedef struct { cstr name, last; } Person; +Person Person_make(const char* name, const char* last); +Person Person_clone(Person p); +void Person_drop(Person* p); +int Person_cmp(const Person* a, const Person* b); +uint64_t Person_hash(const Person* p); + +#define i_type PersonArc +#define i_keyclass Person // "class" assume _clone, _drop, _cmp, _hash is defined. +#include <stc/carc.h> + +#define i_type IPtr +#define i_key int +#define i_keydrop(x) printf("drop: %d\n", *x) +#define i_cmp_native +#include <stc/carc.h> + +#define i_type IPStack +#define i_keyboxed IPtr +#include <stc/cstack.h> + +#define i_type PASet +#define i_keyboxed PersonArc +#include <stc/cset.h> + + +Person Person_make(const char* name, const char* last) { + Person p = {.name = cstr_from(name), .last = cstr_from(last)}; + return p; +} + +int Person_cmp(const Person* a, const Person* b) { + return cstr_cmp(&a->name, &b->name); +} + +uint64_t Person_hash(const Person* p) { + return cstr_hash(&p->name); +} + +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); +} + + +int main(void) { + puts("Ex1"); + PersonArc p = PersonArc_from(Person_make("John", "Smiths")); + PersonArc q = PersonArc_clone(p); // share + PersonArc r = PersonArc_clone(p); + PersonArc s = PersonArc_from(Person_clone(*p.get)); // deep copy + printf("%s %s: refs %ld\n", cstr_str(&p.get->name), cstr_str(&p.get->last), *p.use_count); + c_drop(PersonArc, &p, &q, &r, &s); + + puts("Ex2"); + IPStack vec = {0}; + IPStack_push(&vec, IPtr_from(10)); + IPStack_push(&vec, IPtr_from(20)); + IPStack_emplace(&vec, 30); // same as IPStack_push(&vec, IPtr_from(30)); + IPStack_push(&vec, IPtr_clone(*IPStack_back(&vec))); + IPStack_push(&vec, IPtr_clone(*IPStack_front(&vec))); + + c_foreach (i, IPStack, vec) + printf(" (%d: refs %ld)", *i.ref->get, *i.ref->use_count); + puts(""); + IPStack_drop(&vec); +} |
