1 files changed, 62 insertions, 0 deletions
diff --git a/examples/rawptr_elements.c b/examples/rawptr_elements.c
new file mode 100644
index 00000000..c5416822
--- /dev/null
+++ b/examples/rawptr_elements.c
@@ -0,0 +1,62 @@
+#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_keydel(x) c_free(*(x))
+#define i_keyfrom(x) c_new(Point, *(x))
+#define i_hash(x, n) c_default_hash(*(x), sizeof *(x))
+#define i_equ(x, y) c_memcmp_equalto(*(x), *(y))
+#define i_tag pnt
+#include <stc/cset.h>
+
+// Map of int64 pointers: For fun, define valraw as int64_t for easy emplace call!
+typedef int64_t inttype;
+#define i_key_str
+#define i_valraw inttype
+#define i_val inttype*
+#define i_valdel(x) c_free(*(x))
+#define i_valfrom(raw) c_new(inttype, raw)
+#define i_valto(x) **(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)
+    {
+        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);
+
+        c_forpair (name, number, cmap_str, map)
+            printf("%s: %zd\n", _.name.str, *_.number);
+    }
+}