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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

Implementing an endpoint to retrieve a note by id using HTTP verb GET

To retrieve a record of Note, we will implement an endpoint that meets specific requirements. Let's make a list of these requirements to understand what the request and response should look like for our endpoint that returns a Note when an id argument is provided.

The request is expected to meet the following criteria:

  • The HTTP method will be GET.
  • The HTTP route will be /notes/:id.
  • The resource URL will have the id argument of the Note we are trying to retrieve.

The response is expected to meet the following criteria:

  • Select Note from the database using the built-in orm-based syntax whose id is the same as the id argument present in the resource URL.
  • When the id argument that is present in the resource URL does not match any of the records in the database, the following will occur:
    • The response body will have a CustomResponse struct encoded into JSON with a reasonable message...
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