id_stack, modifiable ui for struct based on type info!

src/core/core_type_info.c

@@ -52,6 +52,23 @@ fn void ti_enum_write_value(void *p, i64 value, type_t *type) {
     }
 }
 
+fn i64 ti_enum_next_value(void *p, i64 value, type_t *type) {
+    assert(type->kind == type_kind_enum);
+    i32 next_i = 0;
+    for (i32 i = 0; i < type->count; i += 1) {
+        type_member_t *it = type->members + i;
+        if (value == it->value) {
+            if (i + 1 < type->count) {
+                next_i = i + 1;
+                break;
+            }
+        }
+    }
+
+    type_member_t *tm = type->members + next_i;
+    return tm->value;
+}
+
 fn type_member_t *ti_get_member(s8_t name, type_t *type) {
     for (i32 i = 0; i < type->count; i += 1) {
         type_member_t *it = type->members + i;