补全边角

core/tests/compile_fail/duplicate_key.cpp

@@ -0,0 +1,9 @@
+#include <structive/property/property.hpp>
+struct Duplicate_Key {
+    int left{};
+    int right{};
+};
+int main() {
+    auto schema = structive::object<Duplicate_Key>(structive::field<&Duplicate_Key::left>(structive::key<"value">), structive::field<&Duplicate_Key::right>(structive::key<"value">));
+    return static_cast<int>(schema.property_count);
+}