Test loop and input error checking 1.

main.cpp

@@ -1,11 +1,33 @@
 #include <iostream>
 
-std::string* test() {
-    static std::string tr {"test"};
-    return &tr;
-}
+using string = std::string;
+void ignoreTillLineEnd();
+string promptfs(string);
 
 int main()
 {
-    std::cout << *test();
+    string name {promptfs("Enter your name:")};
+    std::cout << "Hello " << name << "\n";
+    return 0;
+}
+
+void ignoreTillLineEnd() {
+    std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
+}
+
+string promptfs(string msg) {
+    bool once {false};
+    string toret {};
+    do {
+        if (once) {
+            std::cin.clear();
+            std::cout << "Input Failure!\n";
+        }
+        std::cout << msg << "\n";
+        std::cin >> toret;
+        ignoreTillLineEnd();
+        once = true;
+    }
+    while (std::cin.fail());
+    return toret;
 }