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C# 7.1 and .NET Core 2.0 ??? Modern Cross-Platform Development

C# 7.1 and .NET Core 2.0 ??? Modern Cross-Platform Development - Third Edition

By : Mark J. Price
3.7 (37)
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C# 7.1 and .NET Core 2.0 ??? Modern Cross-Platform Development

C# 7.1 and .NET Core 2.0 ??? Modern Cross-Platform Development

3.7 (37)
By: Mark J. Price

Overview of this book

C# 7.1 and .NET Core 2.0 – Modern Cross-Platform Development, Third Edition, is a practical guide to creating powerful cross-platform applications with C# 7.1 and .NET Core 2.0. It gives readers of any experience level a solid foundation in C# and .NET. The first part of the book runs you through the basics of C#, as well as debugging functions and object-oriented programming, before taking a quick tour through the latest features of C# 7.1 such as default literals, tuples, inferred tuple names, pattern matching, out variables, and more. After quickly taking you through C# and how .NET works, this book dives into the .NET Standard 2.0 class libraries, covering topics such as packaging and deploying your own libraries, and using common libraries for working with collections, performance, monitoring, serialization, files, databases, and encryption. The final section of the book demonstrates the major types of application that you can build and deploy cross-device and cross-platform. In this section, you'll learn about websites, web applications, web services, Universal Windows Platform (UWP) apps, and mobile apps. By the end of the book, you'll be armed with all the knowledge you need to build modern, cross-platform applications using C# and .NET.
Table of Contents (23 chapters)
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22
Index

Making types safely reusable with generics

In 2005, with C# 2.0 and .NET Framework 2.0, Microsoft introduced a feature named generics, which enables your types to be more safely reusable and more efficient. It does this by allowing a programmer to pass types as parameters, similar to how you can pass objects as parameters.

First, let's look at an example of a non-generic type so that you can understand the problem that generics is designed to solve:

  1. In the PacktLibrary project, add a new class named Thing, as shown in the following code, and note the following:
    • Thing has an object field named Data.
    • Thing has a method named Process that accepts an object input parameter and returns a string value.
    using System;
    namespace Packt.Shared
    {
      public class Thing
      {
        public object Data = default(object);
        public string Process(object input)
        {
          if (Data == input)
          {
            return "Data and input are the same...
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C# 7.1 and .NET Core 2.0 ??? Modern Cross-Platform Development
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