4 files changed, 125 insertions, 0 deletions
diff --git a/src/example/CMakeLists.txt b/src/example/CMakeLists.txt
index 782d3ef..36f9d4d 100644
--- a/src/example/CMakeLists.txt
+++ b/src/example/CMakeLists.txt
@@ -23,5 +23,9 @@ add_example(log)
 add_example(rendering)
 add_example(asset_manager)
 add_example(physics)
+add_example(savemgr)
+add_example(proxy)
+add_example(db)
 add_example(ecs)
 add_example(scene_manager)
+
diff --git a/src/example/db.cpp b/src/example/db.cpp
new file mode 100644
index 0000000..c046421
--- /dev/null
+++ b/src/example/db.cpp
@@ -0,0 +1,30 @@
+#include <crepe/facade/DB.h>
+#include <crepe/api/Config.h>
+#include <crepe/util/log.h>
+
+using namespace crepe;
+using namespace std;
+
+// run before main
+static auto _ = [] () {
+	auto & cfg = Config::get_instance();
+	cfg.log.level = LogLevel::TRACE;
+	return 0;
+}();
+
+int main() {
+	dbg_trace();
+
+	DB db("file.db");
+
+	const char * test_key = "test-key";
+	string test_data = "Hello world!";
+
+	dbg_logf("DB has key = %d", db.has(test_key));
+
+	db.set(test_key, test_data);
+
+	dbg_logf("key = \"%s\"", db.get(test_key).c_str());
+
+	return 0;
+}
diff --git a/src/example/proxy.cpp b/src/example/proxy.cpp
new file mode 100644
index 0000000..9f54f96
--- /dev/null
+++ b/src/example/proxy.cpp
@@ -0,0 +1,46 @@
+/** \file
+ * 
+ * Standalone example for usage of the proxy type
+ */
+
+#include <crepe/ValueBroker.h>
+#include <crepe/api/Config.h>
+#include <crepe/util/log.h>
+#include <crepe/util/Proxy.h>
+
+using namespace std;
+using namespace crepe;
+
+void test_ro_ref(const int & val) { }
+void test_rw_ref(int & val) { }
+void test_ro_val(int val) { }
+
+int main() {
+	auto & cfg = Config::get_instance();
+	cfg.log.level = LogLevel::DEBUG;
+
+	int real_value = 0;
+
+	ValueBroker<int> broker {
+		[&real_value] (const int & target) {
+			dbg_logf("set %s to %s", to_string(real_value).c_str(), to_string(target).c_str());
+			real_value = target;
+		},
+		[&real_value] () -> const int & {
+			dbg_logf("get %s", to_string(real_value).c_str());
+			return real_value;
+		},
+	};
+
+	Proxy<int> proxy { broker };
+
+	broker.set(54);
+	proxy = 84;
+
+	test_ro_ref(proxy); // this is allowed
+	// test_rw_ref(proxy); // this should throw a compile error
+	test_ro_val(proxy);
+
+	return 0;
+}
+
diff --git a/src/example/savemgr.cpp b/src/example/savemgr.cpp
new file mode 100644
index 0000000..c8dd2bc
--- /dev/null
+++ b/src/example/savemgr.cpp
@@ -0,0 +1,45 @@
+/** \file
+ * 
+ * Standalone example for usage of the save manager
+ */
+
+#include <cassert>
+#include <crepe/util/log.h>
+#include <crepe/util/Proxy.h>
+#include <crepe/api/SaveManager.h>
+#include <crepe/api/Config.h>
+
+using namespace crepe;
+
+// unrelated setup code
+int _ = [] () {
+	// make sure all log messages get printed
+	auto & cfg = Config::get_instance();
+	cfg.log.level = LogLevel::TRACE;
+
+	return 0; // satisfy compiler
+} ();
+
+int main() {
+	const char * key = "mygame.test";
+
+	SaveManager & mgr = SaveManager::get_instance();
+
+	dbg_logf("has key = %s", mgr.has(key) ? "true" : "false");
+	ValueBroker<int> prop = mgr.get<int>(key, 0);
+	Proxy<int> val        = mgr.get<int>(key, 0);
+
+	dbg_logf("val = %d", mgr.get<int>(key).get());
+	prop.set(1);
+	dbg_logf("val = %d", mgr.get<int>(key).get());
+	val = 2;
+	dbg_logf("val = %d", mgr.get<int>(key).get());
+	mgr.set<int>(key, 3);
+	dbg_logf("val = %d", mgr.get<int>(key).get());
+
+	dbg_logf("has key = %s", mgr.has(key) ? "true" : "false");
+	assert(true == mgr.has(key));
+
+	return 0;
+}
+