From e81dec857e2e020953efdaa9fbc181c496320d38 Mon Sep 17 00:00:00 2001
From: Luis Granada <luisgranada1213@gmail.com>
Date: Sun, 27 Oct 2019 23:57:42 -0500
Subject: [PATCH] pointers to functions example in C++

---
 pointers_to_functions.cpp | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 pointers_to_functions.cpp

diff --git a/pointers_to_functions.cpp b/pointers_to_functions.cpp
new file mode 100644
index 0000000..0f192e9
--- /dev/null
+++ b/pointers_to_functions.cpp
@@ -0,0 +1,21 @@
+#include <bits/stdc++.h>
+using namespace std;
+void someFunction(){
+    printf("Hello World from C++\n");
+}
+void add(int a, int b, void (*callback)(int)){
+    int result = a + b;
+    callback(result);
+}
+void callback(int n){
+    printf("Result: %d",n);
+}
+int main() {
+    /*
+     * functionPointer is a pointer to function someFunction();
+     */
+    void (*functionPointer)(void) = someFunction;
+    functionPointer();
+    add(5,9,callback);
+    return 0;
+}