Update README.md

README.md

@@ -1,3 +1,51 @@
 # Tracer
 
 ![screencapture-ui-perfetto-dev-2024-10-26-00_39_14](https://github.com/user-attachments/assets/7a0b9d73-4701-4d8c-9764-0e41d51eb818)
+
+```cpp
+#include <iostream>
+
+#include "Tracer.hpp"
+
+std::uint64_t factorial(std::uint64_t n) {
+	ScopedTracer _("factorial", "function", { {"n", n} });
+	if (n <= 1) return 1;
+	return n * factorial(n - 1);
+}
+
+std::uint64_t fibonacci(std::uint64_t n) {
+	ScopedTracer _("fibonacci", "function", { {"n", n} });
+	if (n <= 1) return n;
+	return fibonacci(n - 1) + fibonacci(n - 2);
+}
+
+std::uint64_t factorial2(std::uint64_t n) {
+	ScopedTracer _("factorial2", "function", { {"n", n} });
+	std::uint64_t result = 1;
+	for (std::uint64_t i = 2; i <= n; ++i) {
+		result *= i;
+	}
+	return result;
+}
+
+std::uint64_t fibonacci2(std::uint64_t n) {
+	ScopedTracer tracer("fibonacci2", "function", { {"n", n} });
+	if (n <= 1) return n;
+	std::uint64_t a = 0;
+	std::uint64_t b = 1;
+	for (std::uint64_t i = 2; i <= n; ++i) {
+		std::uint64_t c = a + b;
+		a = b;
+		b = c;
+	}
+	return b;
+}
+
+int main() {
+	std::cout << factorial(10) << std::endl;
+	std::cout << fibonacci(10) << std::endl;
+	std::cout << factorial2(10) << std::endl;
+	std::cout << fibonacci2(10) << std::endl;
+	Tracer::getInstance().dump("trace.json", 4);
+}
+```