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#include <stc/ccommon.h>
#include <stdio.h>
struct { double x, y; } typedef Point;
// Set of Point pointers: define all template parameters "in-line"
// Note it may be simpler to use a cbox for this.
#define i_key Point*
#define i_keydrop(x) c_free(*(x))
#define i_keyclone(x) c_new(Point, *(x))
#define i_hash(x) c_default_hash(*(x))
#define i_cmp(x, y) memcmp(*(x), *(y), sizeof **(x)) // not good!
#define i_tag pnt
#include <stc/cset.h>
#define i_implement
#include <stc/cstr.h>
// Map of int64 pointers: Define i_valraw as int64_t for easy emplace calls!
typedef int64_t inttype;
#define i_key_str
#define i_val inttype*
#define i_valraw inttype
#define i_valfrom(raw) (puts("from"), c_new(inttype, raw))
#define i_valto(x) (puts("to"), **(x))
#define i_valclone c_derived_valclone // enables clone via valto+valfrom
#define i_valdrop(x) c_free(*(x))
#include <stc/cmap.h>
int main()
{
c_auto (cset_pnt, set, cpy)
{
printf("Set with pointer elements:\n");
// c++: set.insert(new Point{1.2, 3.4});
cset_pnt_insert(&set, c_new(Point, {1.2, 3.4}));
Point* q = *cset_pnt_insert(&set, c_new(Point, {6.1, 4.7})).ref;
cset_pnt_insert(&set, c_new(Point, {5.7, 2.3}));
cpy = cset_pnt_clone(set);
cset_pnt_erase(&cpy, q);
printf("set:");
c_foreach (i, cset_pnt, set)
printf(" (%g %g)", i.ref[0]->x, i.ref[0]->y);
printf("\ncpy:");
c_foreach (i, cset_pnt, cpy)
printf(" (%g %g)", i.ref[0]->x, i.ref[0]->y);
puts("");
}
c_auto (cmap_str, map, m2)
{
printf("\nMap with pointer elements:\n");
cmap_str_insert(&map, cstr_new("testing"), c_new(inttype, 999));
cmap_str_insert(&map, cstr_new("done"), c_new(inttype, 111));
// Emplace: implicit key, val construction using i_keyfrom/i_valfrom:
cmap_str_emplace(&map, "hello", 200);
cmap_str_emplace(&map, "goodbye", 400);
// default uses i_valfrom+i_valto when no i_valclone defined:
m2 = cmap_str_clone(map);
c_forpair (name, number, cmap_str, m2)
printf("%s: %" PRIdMAX "\n", cstr_str(_.name), **_.number);
}
}
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