A Complete Guide of GoLang Programming

Introduction

Go also known as Golang is an open-source, amassed as well as statically typed programming language developed by Google. The main people behind the making of Go are Rob Pike, Ken Thompson, and Robert Griesemer. Golang was complete publicly available in November 2009.

Go is a general-purpose programming language using a simple syntax and remains reversed by a robust usual library. One of the key areas where Go shines is the making of highly available and scalable web apps. Go can also remain used to make command-line applications, desktop apps, and even mobile applications.

What does Golang programming language do?

Golang comprises several features such as its standard library, package organization, static typing, and support for testing as well as platform independence. Golang’s standard library is based on the use of distributed packages. Package organization mentions how Golang will succeed in support for user-based and outward package organization. Packages can be available using a small set of commands. Static typing is a type system that makes sure changes and compatibility although avoiding the problems that come with dynamically inputted languages. Golang also supports unit tests to run in parallel with written code. In addition, due to Golang’s modular design, the code can be compiled onto almost any platform.

Why Golang is so popular?

It is verified and demonstrated that applications that are written on Golang are extremely performant and scalable. Golang is a very well-organized language, just like C/C++, handling parallelisms like Java, and has easy code readability like Python and pearl. Golang has unquestionable architectural advantages completed by its predecessors.

  • Programming language simplicity

First, Golang is simple to learn and comprehend. A popular saying about Golang is that you be able to read and abstract the entire Golang spec in an afternoon. Many developers who have dived into Golang agree it’s easy to pick up linked to other languages.

  • High-performing applications

Second, Golang is great when it creates performance. It was designed for automation at a great scale so Golang makes it comparatively easy to write high-performing applications.

According to the 2021 Stack Overflow Developer Survey, Golang is one of the most loved languages by developers who use it. Golang’s own 2021 developer review seems to agree, with a 92% approval ranking by Go users.

How does Golang language work?

The programming language design is fabricated for fast compilation in attention from the start. Compiles cross-platform to OS X, Linux, Windows, and various others. Creates only one executable file production after the compilation without any dependencies, so that you can upload it anywhere which Go supports and just run it.

Golang benefits for programmers:

It is easy to learn, brief, communicative, and understandable. It suggests high presentation and the capability to run code quickly. It indications incorrect kind use errors through compilation. It can be used for high- and low-level programming and is based on various programming paradigms.

  • Easy to write concurrent programs

Concurrency remains an essential part of the language. As a result, writing multithreaded programs remains a piece of cake. This is achieved by Goroutines and channels which we will deliberate in the coming tutorials.

  • Fast compilation

The Go compiler remains attractive amazing than it has been intended to be fast correct from the beginning.

  • Open source

Go is an open-source project. You can join and contribute to the Go project.

  • Static linking

Go compiler supports static connecting. The whole Go project can remain statically related into one big fat binary and it can be arranged in cloud servers simply without worrying about dependencies.

  • Simple syntax

The syntax is simple and concise then the language is not distended with needless features. These kinds it easy to write code that is readable and maintainable.

  • Go Tooling

Tooling deserves a special reference in Golang. Go comes bundled by powerful tools that support developers write better code. Limited of the commonly used tools remain,

Vet – Vet analyses the go source code and reports possible apprehensive code. All reported through vet is not a genuine problem but it can catch errors that remain not reported by the compiler such as indecent format specifiers when using Printf.

Golint – It is used to ascertain styling issues in the code. Garbage collection Go uses garbage collection and hence memory organization remains pretty much-reserved upkeep automatically then the developer does not need to concern about managing memory. This as well helps to write concurrent programs effortlessly.

  • Compiled language

Go is a compiled language. The source code is compiled into an instinctive binary. This is missing in deduced languages such as JavaScript used in nodejs.

  • Simple language specification

Last but not least, the language spec is attractively simple. The entire spec fits in a page then you can even use it to write your specific compiler.

Why do we need Golang?

Golang remains very suitable for writing lightweight microservices. Currently, we use it for creating APIs that interact with our front-end applications. If you want to quickly build a minor functional microservice, Golang is a great tool to use.

It is an easy language used for developers to learn quickly.

Golang is better than other programming languages:

The Core Capability of Golang The Golang was reportedly considered by developers at Google while they were too originated for the code compilation to the whole in a project. This is exactly why Golang is the only language that unites everything three sought-after abilities, namely, ease of coding, efficient code-compilation, and efficient execution. Bringing all these abilities into one language is what made Golang so special.

Go or Golang, as it is called, is a robust system-level language used for programming through large-scale network servers and big distributed systems. Golang occurred as an alternative to C++ and Java for the app developers in the context of what Google needed for its network servers and distributed systems. The language was created to organize gone with the lack of pace and complications involved with programming for large and scalable servers and software systems. To be precise, at Google, Go come from offering the following solutions.

  • Fast-paving compilation and execution.
  • Facilitating easy versioning of the program.
  • Allowing developing with multiple languages.
  • Do away with the need of working with different subsets of languages for one project.
  • A boost to code readability and documentation.
  • Offering a thoroughly consistent language.
  • Allowing easier maintenance of dependencies.

Golang Framework:

Golang (or Go) is an open-source accumulated programming language that remains used to build simple, secure software, and systematic. Go web frameworks remain used to inscribe application programming interfaces (APIs) and web services conventional away.

Applications used Golang:

1. Docker

2. Kubernetes

3. Fedora coreOS

4. InfluxDB

5. Istio

6. Traefix

7. Hugo

8. Terraform

9. CockroachDB

10. Gravitational Teleport

Does Golang have a future?

Golang is great for making microservices, therefore in the future, the demand used for such programmers will only grow. There are not many Golang developers, therefore they are salaried higher. Senior and middle Golang developers incline to get higher salaries related to developers of other programming languages.

Scope in Golang:

A scope in Golang remains the region of a program where a defined variable can exist, and beyond that, a capricious cannot be accessed. The Scope of the capricious can be definite such as a part of the program where the specific capricious is accessible. A capricious can be defined in the class, method, loop, etc.

The top 5 web frameworks in Golang based on popularity are listed as follows:

Gin framework

Beego framework

Echo framework

Kit framework

Fast HTTP framework

Prerequisites:

Some programming experience. The code here is pretty simple, but it helps to know something about functions.

A tool to edit your code. Any text editor you have will work fine. Most text editors have good support for Golang. The most popular are VSCode (free), GoLand (paid), and Vim (free).

A command terminal. Golang works well using any terminal on Linux and Mac, and PowerShell or cmd in Windows.

Conclusion

GoLang originated as an enormous value addition to the programming of complex applications essential performance-savvy hardware systems and large accessible enterprise software systems. No sensation, within insufficient years it received such a vast following from developers around the globe.

If you want to learn more about Golang go to DevOpsSchool it will be good for you.

Thank you!

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