Differences

This shows you the differences between two versions of the page.

--- cplusplus:pointers_2_slides [2021/10/19 19:36] – [Calling functions by reference] mithat
+++ cplusplus:pointers_2_slides [2021/10/19 19:40] – [Calling functions by reference] mithat
@@ Line 64: / Line 64: @@
   * The ''*'' operator is used to alias a variable inside of function.
   * Strictly speaking, the passing mechanism is //call by value//. But functionality is pass by reference.
-  * The syntax in the function invocation (e.g., ''cubeByReference(&number))'' makes it clear that a pointer is involved --- which is good indication that call by reference is being used.
+  * Syntax in function invocation (e.g., ''cubeByReference(&number))'' makes clear that a pointer is involved --- good indication that call by reference is used in the function.
 ===== Calling functions by reference =====
@@ Line 85: / Line 85: @@
 void cubeByReference(int *nPtr)
 {
+    // *nptr'' is an alias for the variable passed in.
     *nPtr = (*nPtr) * (*nPtr) * (*nPtr); // parenthesis for readability
 }