Refactor thread_proc and remove unused function

Author: Subham-KRLX

Code Samples/Fib/thread.cpp

@@ -7,20 +7,13 @@
 #include <mutex>
 
 static std::atomic<int> g_tid{0};
-
 static std::mutex cout_mutex;
 
 static int fib(int n) {
     if (n <= 1) return 1;
     return fib(n - 1) + fib(n - 2);
 }
 
-static void set_thread_name(const std::string& name) {
-#ifdef __cpp_lib_jthread
-#else
-#endif
-}
-
 static thread_local std::mt19937_64 rng{std::random_device{}()};
 
 static int intRand(int min, int max) {
@@ -30,22 +23,20 @@ static int intRand(int min, int max) {
 void thread_proc() {
     const int tid = g_tid.fetch_add(1, std::memory_order_relaxed);
     const std::string thread_name = "Thread " + std::to_string(tid);
-    set_thread_name(thread_name);
-
+    
     const auto delay = std::chrono::nanoseconds(500000000 + intRand(0, 500000000));
-
     std::this_thread::sleep_for(delay);
-
+    
     for (int i = 0; i <= 30; ++i) {
         {
             std::lock_guard<std::mutex> lock(cout_mutex);
             std::cout << thread_name << ": fib(" << i << ") = " << fib(i) << std::endl;
         }
         std::this_thread::sleep_for(delay);
     }
-
+    
     {
         std::lock_guard<std::mutex> lock(cout_mutex);
         std::cout << thread_name << " exited!" << std::endl;
     }
-}
+}