hash table impl

src/ht.h

@@ -0,0 +1,22 @@
+// A simple/fast(?) hash table.
+
+#ifndef ED_HT_INCLUDED
+#define ED_HT_INCLUDED
+#include <stddef.h>
+#include <stdint.h>
+#include "string.h"
+
+// see <https://en.wikipedia.org/wiki/Fowler–Noll–Vo_hash_function>
+#define FNV_OFFSET 14695981039346656037UL
+#define FNV_PRIME 1099511628211UL
+
+typedef struct {
+    
+} ed_ht_slot;
+
+typedef struct {
+    ed_ht_slot *slots;
+    size_t capacity;
+} ed_ht;
+
+#endif

src/ui.h

@@ -71,6 +71,10 @@ typedef struct {
     size_t parent;
 } ui_element_frame_data;
 
+typedef struct {
+    ed_ht *cached_elements;
+} ui_context;
+
 #endif
 
 #ifdef ED_UI_IMPLEMENTATION