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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

Understanding function features

In the previous sections, we learned about various types of functions and discovered how to write basic functions, anonymous functions, and higher-order functions. As a V programmer, it is important to know the various features of functions that will enable you to work with them smoothly while programming. The following is a list of the features of functions in V:

  • Functions can return values or simply perform operations.
  • Functions can take zero or more input arguments.
  • Functions can return multiple values.
  • Functions can call other accessible functions.
  • Functions allow only arrays, interfaces, maps, pointers, and structs as mutable arguments.
  • Function declarations in script mode should come before all script statements.
  • Functions do not allow access to module variables or global variables.
  • Functions do not allow default or optional arguments.
  • Functions can have optional return types.
  • Functions are private by...
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