1 files changed, 49 insertions, 0 deletions
diff --git a/misc/examples/mixed/complex.c b/misc/examples/mixed/complex.c
new file mode 100644
index 00000000..4eb1574b
--- /dev/null
+++ b/misc/examples/mixed/complex.c
@@ -0,0 +1,49 @@
+
+// Define similar c++ data types:
+//
+// using FloatStack = std::stack<float>;
+// using StackList = std::stack<FloatStack>;
+// using ListMap = std::unordered_map<int, std::forward_list<StackList>>;
+// using MapMap = std::unordered_map<std::string, ListMap>;
+#define i_implement
+#include <stc/cstr.h>
+
+#define i_type FloatStack
+#define i_key float
+#include <stc/cstack.h>
+
+#define i_type StackList
+#define i_keyclass FloatStack  // "class" picks up _clone, _drop, _cmp
+#define i_opt c_no_cmp         // exclude FloatStack_cmp(): not defined
+#include <stc/clist.h>
+
+#define i_type ListMap
+#define i_key int
+#define i_valclass StackList   // "class" picks up _clone, _drop
+#include <stc/cmap.h>
+
+#define i_type MapMap
+#define i_key_str
+#define i_valclass ListMap
+#include <stc/cmap.h>
+
+
+int main(void)
+{
+    MapMap mmap = {0};
+
+    // Put in some data in the structures
+    ListMap* lmap = &MapMap_emplace(&mmap, "first", ListMap_init()).ref->second;
+    StackList* list = &ListMap_insert(lmap, 42, StackList_init()).ref->second;
+    FloatStack* stack = StackList_push_back(list, FloatStack_with_size(10, 0));
+    stack->data[3] = 3.1415927f;
+    printf("stack size: %" c_ZI "\n", FloatStack_size(stack));
+
+    // Access the data entry
+    const ListMap* lmap_p = MapMap_at(&mmap, "first");
+    const StackList* list_p = ListMap_at(lmap_p, 42);
+    const FloatStack* stack_p = StackList_back(list_p);
+    printf("value is: %f\n", (double)*FloatStack_at(stack_p, 3)); // pi
+
+    MapMap_drop(&mmap);
+}