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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

Operations on the string data type

As we code, there are many occasions where we need to manipulate the representation of a string, be it writing a customized result to output or manipulating the string to use it for further evaluation.

String interpolation

String interpolation is the way to represent a string, along with a mix of different types of variables that get evaluated to their value and converted to the string data type during runtime.

String interpolation of primitive data types

String interpolation is achieved by the following syntax:

println('SAMPLE TEXT $primitive-data-type')

The preceding syntax shows how to perform string interpolation on primitive data types using the $ symbol as a prefix to the variable name. Consider the following code:

a := 'coding'
b := 'fun'
println('$a is $b')

Here is the output:

coding is fun

When accessing struct fields, it is recommended to wrap them with { and } double...

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