Go (or Golang) is an open source programming language developed by Google. It is characterized by its outstanding performance, simple and clean syntax, parallel programming capabilities and a large standard library. In this article, we will focus on the key features of Go and try to understand why Go is becoming increasingly popular.

1- Basic Features

Go has an easy-to-use and understandable syntax. This feature enables developers to write and understand code quickly. It supports parallel programming with lightweight threads called "goroutines". This provides a performance advantage on multi-core systems. It is known for its fast build and run times. This feature speeds up the software development process and makes applications run fast.

2- Example

Writing your first program in Go is quite simple. You can write the following code using a text editor and save it in a file with the extension ".go".

import "fmt"

func main() {
    fmt.Println("Hello World!")
}

This simple program prints "Hello, World!" on the screen. The main function in Go must always be called "main" and the program starts from this function.

3- Package Management
Go language uses "go mod" for package management. You can easily add external packages and manage dependencies in your projects. For example, you can use a command like the one below to add an HTTP client to your project:

go get -u github.com/go-resty/resty/v2

This command adds a popular HTTP client library to your project.

This article is just an introduction to the basics of the Go language. I encourage you to explore Go's official documentation and online resources to dive deeper into more features, libraries and in-depth topics.

I hope this article will serve as a guide to get you started with Go. Happy coding!