README file added

Author: supriyathabe

README.md

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+# Learning C++ Functional Programming
+This is the code repository for [Learning C++ Functional Programming](https://www.packtpub.com/application-development/learning-c-functional-programming?utm_source=github&utm_medium=repository&utm_campaign=9781787281974), published by [Packt](https://www.packtpub.com/?utm_source=github). It contains all the supporting project files necessary to work through the book from start to finish.
+## About the Book
+Functional Programming allows developers to divide programs into smaller, reusable components that eases the creation, testing, and maintenance of software as a whole. Combined with the power of C++, you can develop robust and scalable applications that fulfill modern day software requirements. This book will help you discover all C++17 features that can be applied to build software in a functional way.
+
+
+## Instructions and Navigation
+All of the code is organized into folders. Each folder starts with a number followed by the application name. For example, Chapter02.
+
+All the code files are present in their respective folders
+
+The code will look like the following:
+```
+    int add(int i, int j)
+
+    {
+   
+        return i + j;
+   
+     }
+```
+
+To walk through this book and successfully compile all the source code examples, you will require a personal computer that runs Microsoft Windows 8.1 (or later) and contains the following software:
+
+
+* The latest version of GCC, which supports C++11, C++14, and C++17 (during the writing of this book, the latest version was GCC v7.1.0)
+
+* The Microsoft C++ compiler provided in Microsoft Visual Studio 2017 for supporting C++11, C++14, and C++17 (for Chapter 7, Running Parallel Execution Using Concurrency)
+
+* Code::Blocks v16.01 (all sample code is written using the Code::Blocks IDE; however, it's optional to use this IDE)
+
+## Related Products
+* [Mastering C++ Multithreading](https://www.packtpub.com/application-development/mastering-c-multithreading?utm_source=github&utm_medium=repository&utm_campaign=9781787121706)
+
+* [C++17 STL Cookbook](https://www.packtpub.com/application-development/c17-stl-cookbook?utm_source=github&utm_medium=repository&utm_campaign=9781787120495)
+
+* [Beginning C++ Programming](https://www.packtpub.com/application-development/beginning-c-programming?utm_source=github&utm_medium=repository&utm_campaign=9781787124943)
+
+### Suggestions and Feedback
+[Click here](https://docs.google.com/forms/d/e/1FAIpQLSe5qwunkGf6PUvzPirPDtuy1Du5Rlzew23UBp2S-P3wB-GcwQ/viewform) if you have any feedback or suggestions.