From 3a4c93189d0703a7f02b2fc25dbd4168940e6123 Mon Sep 17 00:00:00 2001
From: Captain ALM <captainalm@captainalm.com>
Date: Sun, 14 Aug 2022 15:47:03 +0100
Subject: [PATCH] Multifile and header guard practise.

---
 main.cpp  | 20 ++------------------
 utils.cpp | 19 +++++++++++++++++++
 utils.hpp |  8 ++++++++
 3 files changed, 29 insertions(+), 18 deletions(-)
 create mode 100644 utils.cpp
 create mode 100644 utils.hpp

diff --git a/main.cpp b/main.cpp
index 03c5e1a..26c4d9d 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,25 +1,9 @@
 #include <iostream>
-
-int promptNumber(const char*);
-void addSubTwoNumbers();
+#include "utils.hpp"
 
 int main()
 {
     std::cout << "Add and Subtract 2 Numbers:\n\n";
-    addSubTwoNumbers();
+    utils::addSubTwoNumbers();
     return 0;
 }
-
-int promptNumber(const char* prompt) {
-    int toReturn {};
-    std::cout << prompt;
-    std::cin >> toReturn;
-    return toReturn;
-}
-
-void addSubTwoNumbers() {
-    int num1 {promptNumber("Enter a integer: ")};
-    int num2 {promptNumber("Enter another integer: ")};
-    std::cout << num1 << " + " << num2 << " = " << num1 + num2 << "\n";
-    std::cout << num1 << " - " << num2 << " = " << num1 - num2 << "\n";
-}
diff --git a/utils.cpp b/utils.cpp
new file mode 100644
index 0000000..6006a22
--- /dev/null
+++ b/utils.cpp
@@ -0,0 +1,19 @@
+#include <iostream>
+namespace utils
+{
+int promptNumber(const char* prompt)
+{
+    int toReturn {};
+    std::cout << prompt;
+    std::cin >> toReturn;
+    return toReturn;
+}
+
+void addSubTwoNumbers()
+{
+    int num1 {promptNumber("Enter a integer: ")};
+    int num2 {promptNumber("Enter another integer: ")};
+    std::cout << num1 << " + " << num2 << " = " << num1 + num2 << "\n";
+    std::cout << num1 << " - " << num2 << " = " << num1 - num2 << "\n";
+}
+}
diff --git a/utils.hpp b/utils.hpp
new file mode 100644
index 0000000..5410d05
--- /dev/null
+++ b/utils.hpp
@@ -0,0 +1,8 @@
+#ifndef utils_H_
+#define utils_H_
+namespace utils
+{
+int promptNumber(const char*);
+void addSubTwoNumbers();
+}
+#endif // utils_H_