1 files changed, 63 insertions, 0 deletions
diff --git a/cpp07/ex01/iter.cpp b/cpp07/ex01/iter.cpp
new file mode 100644
index 0000000..80b29d3
--- /dev/null
+++ b/cpp07/ex01/iter.cpp
@@ -0,0 +1,63 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   iter.cpp                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/04/14 20:02:19 by charles           #+#    #+#             */
+/*   Updated: 2020/04/14 20:12:17 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <iostream>
+
+template<typename T>
+void iter(T* ptr, size_t len, void (*f)(T* x))
+{
+    for (size_t i = 0; i < len; i++)
+        f(ptr + i);
+}
+
+template<typename T>
+void timeTwo(T* x)
+{
+    *x *= 2;
+}
+
+int main()
+{
+    int intArray[] = {1, 2, 3, 4, 10, 20, 30, -1, -2};
+    size_t intArraySize = sizeof(intArray) / sizeof(int);
+    for (size_t i = 0; i < intArraySize; i++)
+        std::cout << intArray[i] << ", ";
+    std::cout << std::endl;
+    iter(intArray, intArraySize, timeTwo<int>);
+    for (size_t i = 0; i < intArraySize; i++)
+        std::cout << intArray[i] << ", ";
+    std::cout << std::endl;
+    std::cout << "--------------------------------------" << std::endl;
+
+    float floatArray[] = {1.1, 2.2, 3.3, 4.3, 10.001, 20.9, 30.3, -1.2, -2.4};
+    size_t floatArraySize = sizeof(floatArray) / sizeof(float);
+    for (size_t i = 0; i < floatArraySize; i++)
+        std::cout << floatArray[i] << ", ";
+    std::cout << std::endl;
+    iter(floatArray, floatArraySize, timeTwo<float>);
+    for (size_t i = 0; i < floatArraySize; i++)
+        std::cout << floatArray[i] << ", ";
+    std::cout << std::endl;
+    std::cout << "--------------------------------------" << std::endl;
+
+    unsigned int uintArray[] = {1, 2, 3, 4, 10, 20, 30, 100, 2000};
+    size_t uintArraySize = sizeof(uintArray) / sizeof(unsigned int);
+    for (size_t i = 0; i < uintArraySize; i++)
+        std::cout << uintArray[i] << ", ";
+    std::cout << std::endl;
+    iter(uintArray, uintArraySize, timeTwo<unsigned int>);
+    for (size_t i = 0; i < uintArraySize; i++)
+        std::cout << uintArray[i] << ", ";
+    std::cout << std::endl;
+
+    return 0;
+}