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Getting Started with V Programming

Getting Started with V Programming

By : Navule Pavan Kumar Rao
4.5 (15)
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Getting Started with V Programming

Getting Started with V Programming

4.5 (15)
By: Navule Pavan Kumar Rao

Overview of this book

A new language on the block, V comes with a promising set of features such as fast compilation and interoperability with other programming languages. This is the first book on the V programming language, packed with concise information and a walkthrough of all the features you need to know to get started with the language. The book begins by covering the fundamentals to help you learn about the basic features of V and the suite of built-in libraries available within the V ecosystem. You'll become familiar with primitive data types, declaring variables, arrays, and maps. In addition to basic programming, you'll develop a solid understanding of the building blocks of programming, including functions, structs, and modules in the V programming language. As you advance through the chapters, you'll learn how to implement concurrency in V Programming, and finally learn how to write test cases for functions. This book takes you through an end-to-end project that will guide you to build fast and maintainable RESTful microservices by leveraging the power of V and its built-in libraries. By the end of this V programming book, you'll be well-versed with the V programming language and be able to start writing your own programs and applications.
Table of Contents (19 chapters)
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1
Section 1: Introduction to the V Programming Language
4
Section 2: Basics of V Programming
12
Section 3: Advanced Concepts in V Programming

Sharing data between the main thread and concurrent tasks

You can share or exchange the data from the main thread with the tasks that have been spawned to run concurrently. V allows you to share data between the main thread and the tasks it spawns, but only using the variables that are of the struct, map, or array type. These variables need to be specified using the shared keyword in such cases. Variables marked using the shared keyword need to be accessed using rlock when they are being read or lock when we want to read/write/modify those variables.

Let's consider a scenario where a fundraiser is raising money for a noble cause. A donor or multiple donors, if they wish to contribute to the fund, can contribute some amount to a fund manager (who represents the main function in our code). When the donations reach the target set by the fund, the fund manager stops collecting money. Assuming that this happens concurrently until the amount that's received is greater than or...

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Getting Started with V Programming
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