Book Image

Clean Code with C# - Second Edition

By : Jason Alls
4.5 (2)
Book Image

Clean Code with C# - Second Edition

4.5 (2)
By: Jason Alls

Overview of this book

Traditionally associated with Windows desktop applications and game development, C# has expanded into web, cloud, and mobile development. However, despite its extensive coding features, professionals often encounter issues with efficiency, scalability, and maintainability due to poor code. Clean Code in C# guides you in identifying and resolving these problems using coding best practices. This book starts by comparing good and bad code to emphasize the importance of coding standards, principles, and methodologies. It then covers code reviews, unit testing, and test-driven development, and addresses cross-cutting concerns. As you advance through the chapters, you’ll discover programming best practices for objects, data structures, exception handling, and other aspects of writing C# computer programs. You’ll also explore API design and code quality enhancement tools, while studying examples of poor coding practices to understand what to avoid. By the end of this clean code book, you’ll have the developed the skills needed to apply industry-approved coding practices to write clean, readable, extendable, and maintainable C# code.
Table of Contents (18 chapters)

Lambda expressions in C#

Lambda expressions are a concise way to define anonymous functions in C#. They provide a compact syntax for creating delegates or expression trees. A Lambda expression consists of input parameters (if any), the Lambda operator (=>), and the function body. The function body can be a single expression or a block of statements enclosed in curly braces.

The general syntax of a Lambda expression in C# is as follows:

(parameters) => expression

Here’s an example of a simple Lambda expression that adds two numbers:

Func<int, int, int> add = (a, b) => a + b;

In this example, we define a Lambda expression that takes two integers (a and b) as input parameters and returns their sum (a + b). Func<int, int, int> is a delegate type that represents a function that takes two integers as input and returns an integer as output. We assign our Lambda expression to a variable called add, and we can now use this variable as if it were a regular...