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#include <stdio.h>
void show_drop(int* x) { printf("drop: %d\n", *x); }
#define i_type Arc
#define i_val int
#define i_drop show_drop // this "destroy" func shows which elements are destroyed
// csptr/cbox will use pointer address comparison of i_val if no i_cmp func is specified,
// or 'i_opt c_no_cmp' is defined, otherwise i_cmp is used to compare object values.
// See the different results by commenting out the next line.
//#define i_cmp(x, y) (*(x) - *(y))
#include <stc/csptr.h> // Arc: shared pointer to int
#define i_type Vec
#define i_val_bind Arc
#include <stc/cvec.h> // Vec: cvec<Arc>
int main()
{
c_auto (Vec, vec)
{
const int v[] = {2012, 1990, 2012, 2019, 2015};
c_forrange (i, c_arraylen(v))
Vec_push_back(&vec, Arc_new(v[i]));
// clone the second 2012 and push it back.
// note: cloning make sure that vec.data[2] has ref count 2.
Vec_emplace_back(&vec, vec.data[2]);
printf("vec before erase :");
c_foreach (i, Vec, vec)
printf(" %d", *i.ref->get);
puts("");
// erase vec.data[2]; or first matching value depending on compare.
Vec_iter it;
it = Vec_find(&vec, vec.data[2]);
if (it.ref != Vec_end(&vec).ref)
Vec_erase_at(&vec, it);
int year = 2015;
it = Vec_find(&vec, (Arc){&year}); // Ok as tmp only.
if (it.ref != Vec_end(&vec).ref)
Vec_erase_at(&vec, it);
printf("vec after erase :");
c_foreach (i, Vec, vec)
printf(" %d", *i.ref->get);
puts("\nDone");
}
}
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