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Getting Started with V Programming

Getting Started with V Programming

By : Pavan Kumar Rao
4.4 (16)
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Getting Started with V Programming

Getting Started with V Programming

4.4 (16)
By: 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

Arrays

An array is used to represent the collection of items. These items should be of same data types such as a list of marks obtained by a student or the names of members of a family. The items of an array must belong to a same data type.

In V, arrays can hold elements of similar data types that comprise primitive types or advanced types such as structs. By default, when an array is created, the memory allocation happens on the heap. You can create an array of a fixed size whose memory is allocated within the stack. Arrays can have more than one dimension. By default, arrays in V are immutable. Mutable arrays can be declared using the mut keyword.

The following is the syntax to declare an array:

arr := [VAL_1, VAL_2, .. VAL_N]

The preceding syntax demonstrates the declaration of a one-dimensional immutable array. The variable name is arr followed by the := symbol. To the right of the statement, we have a list of values that must be of a similar data type. The values of...

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