Challenge: Fix the Code

Here is a coding challenge based on the concepts of the function parameters.

We'll cover the following

The program given below is trying to swap the values of two arguments but fails to do s0.

Problem statement #

Fix the swap() function so that the values of a and b are swapped.

Sample input #

a = 1;
b = 2;

Sample output #

a = 2;
b = 1;

Challenge #

This problem is designed for you to practice, so try to solve it on your own first. If you get stuck, you can always refer to the explanation and solution provided in the next lesson. Good luck!

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Getting Started With D

Variables and User Input

Arithmetic and Logical Operations on Data Types

Conditional Statements and Loops

Arrays, Characters and Strings

File Handling in D

Literals and enum

Formatted Output and Input

foreach Loop and switch-case Statement

Functions

Immutability

Value Types and Reference Types

Function Parameters

Program Environment

Exceptions and scope

assert and enforce Statements

Unit Testing

Contract Programming

Challenge: Fix the Code

Problem statement #

Sample input #

Sample output #

Challenge #