1 files changed, 64 insertions, 0 deletions
diff --git a/misc/examples/sortedmaps/mapmap.c b/misc/examples/sortedmaps/mapmap.c
new file mode 100644
index 00000000..d3065659
--- /dev/null
+++ b/misc/examples/sortedmaps/mapmap.c
@@ -0,0 +1,64 @@
+// create a structure like: std::map<std::string, std::map<std::string, std::string>>:
+#define i_implement
+#include <stc/cstr.h>
+
+// People: std::map<std::string, std::string>
+#define i_type People
+#define i_key_str // name
+#define i_val_str // email
+#define i_keydrop(p) (printf("kdrop: %s\n", cstr_str(p)), cstr_drop(p)) // override
+#include <stc/cmap.h>
+
+// Departments: std::map<std::string, People>
+#define i_type Departments
+#define i_key_str // dep. name
+#define i_valclass People
+#include <stc/cmap.h>
+
+
+void add(Departments* deps, const char* name, const char* email, const char* dep)
+{
+    People *people = &Departments_emplace(deps, dep, People_init()).ref->second;
+    People_emplace_or_assign(people, name, email);
+}
+
+int contains(Departments* map, const char* name)
+{
+    int count = 0;
+    c_foreach (i, Departments, *map)
+        if (People_contains(&i.ref->second, name))
+            ++count;
+    return count;
+}
+
+int main(void)
+{
+    Departments map = {0};
+
+    add(&map, "Anna Kendro", "[email protected]", "Support");
+    add(&map, "Terry Dane", "[email protected]", "Development");
+    add(&map, "Kik Winston", "[email protected]", "Finance");
+    add(&map, "Nancy Drew", "[email protected]", "Development");
+    add(&map, "Nick Denton", "[email protected]", "Finance");
+    add(&map, "Stan Whiteword", "[email protected]", "Marketing");
+    add(&map, "Serena Bath", "[email protected]", "Support");
+    add(&map, "Patrick Dust", "[email protected]", "Finance");
+    add(&map, "Red Winger", "[email protected]", "Marketing");
+    add(&map, "Nick Denton", "[email protected]", "Support");
+    add(&map, "Colin Turth", "[email protected]", "Support");
+    add(&map, "Dennis Kay", "[email protected]", "Marketing");
+    add(&map, "Anne Dickens", "[email protected]", "Development");
+
+    c_foreach (i, Departments, map)
+        c_forpair (name, email, People, i.ref->second)
+            printf("%s: %s - %s\n", cstr_str(&i.ref->first), cstr_str(_.name), cstr_str(_.email));
+    puts("");
+
+    printf("found Nick Denton: %d\n", contains(&map, "Nick Denton"));
+    printf("found Patrick Dust: %d\n", contains(&map, "Patrick Dust"));
+    printf("found Dennis Kay: %d\n", contains(&map, "Dennis Kay"));
+    printf("found Serena Bath: %d\n", contains(&map, "Serena Bath"));
+    puts("Done");
+
+    Departments_drop(&map);
+}