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Decisions about Deno and Go
William Artero
Senior Platform Engineer at ABN AMRO | 6 upvotes 路 97.8K views

Telegram Messenger has frameworks for most known languages, which makes easier for anyone to integrate with them. I started with Golang and soon found that those frameworks are not up to date, not to mention my experience testing on Golang is also mixed due to how their testing tool works. The natural runner-up was JS, which I'm ditching in favor of TS to make a strongly typed code, proper tests and documentation for broader usage. TypeScript allows fast prototyping and can prevent problems during code phase, given that your IDE of choice has support for a language server, and build phase. Pairing it with lint tools also allows honing code before it even hits the repositories.

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1. Type safety and inferred types

Go is type safe by default, which allows you to right more reliable code and have better developer tooling, plus with the := operator, you can initialize a variable without having to define its type because it automatically gets its type from the initial value.

2. Performance

There isn't much to be said here, but on most counts go beats both Python and Node.js on performance.

3. Documentation

I'm not talking about the Go language itself, although it does have good docs. I'm talking about Go's auto generated documentation tool, which allows people to document their packages easily and works amazingly with Go's type system.

4. Compiles to binary

If you are making a local program for somebody and they don't want to download the Go compiler, you can make Go into a native binary.

5. Built for the web

Go has built in Http libraries to rival Express.js and has a HTML/Text templating system.

6. Great Concurrency

Go utilizes Goroutines to help developers utilize multiple threads easily.


Go is an excellent choice for any system code, especially http networking and web backends.

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Erik Ralston
Chief Architect at LiveTiles | 13 upvotes 路 135.4K views

C# and .Net were obvious choices for us at LiveTiles given our investment in the Microsoft ecosystem. It enabled us to harness of the .Net framework to build ASP.Net MVC, WebAPI, and Serverless applications very easily. Coupled with the high productivity of Visual Studio, it's the native tongue of Microsoft technology.

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Pros of Deno
Pros of Go
  • 12
  • 10
  • 8
    Open source
  • 5
  • 5
  • 5
  • 5
    Great std library
  • 2
    Easy Config
  • 2
  • 511
  • 375
    Simple, minimal syntax
  • 343
    Fun to write
  • 289
    Easy concurrency support via goroutines
  • 261
    Fast compilation times
  • 183
  • 173
    Statically linked binaries that are simple to deploy
  • 144
    Simple compile build/run procedures
  • 129
    Backed by google
  • 125
    Great community
  • 46
    Garbage collection built-in
  • 40
    Built-in Testing
  • 36
    Excellent tools - gofmt, godoc etc
  • 33
    Elegant and concise like Python, fast like C
  • 28
    Awesome to Develop
  • 22
    Flexible interface system
  • 21
    Used for Docker
  • 21
    Great concurrency pattern
  • 18
    Deploy as executable
  • 17
    Open-source Integration
  • 14
    Fun to write and so many feature out of the box
  • 11
    Its Simple and Heavy duty
  • 11
    Easy to read
  • 10
    Powerful and simple
  • 9
    Go is God
  • 9
    Safe GOTOs
  • 9
    Easy to deploy
  • 7
    Hassle free deployment
  • 7
    Rich standard library
  • 7
  • 7
    Best language for concurrency
  • 7
    Easy setup
  • 6
    Used by Giants of the industry
  • 6
    Simplicity, Concurrency, Performance
  • 6
    Clean code, high performance
  • 6
    High performance
  • 6
    Single binary avoids library dependency issues
  • 5
    Simple, powerful, and great performance
  • 5
    Cross compiling
  • 4
    Garbage Collection
  • 4
    Excellent tooling
  • 4
    Very sophisticated syntax
  • 4
  • 4
  • 3
    Kubernetes written on Go
  • 2
    Keep it simple and stupid
  • 1
    Widely used
  • 0
    No generics
  • 0
    Operator goto

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Cons of Deno
Cons of Go
  • 2
    Still in early development
  • 1
    Bad Rust plugin support
  • 38
    You waste time in plumbing code catching errors
  • 23
  • 22
    Packages and their path dependencies are braindead
  • 15
    Dependency management when working on multiple projects
  • 12
    Google's documentations aren't beginer friendly
  • 10
    Automatic garbage collection overheads
  • 7
    Uncommon syntax
  • 6
    Type system is lacking (no generics, etc)
  • 2
    Collection framework is lacking (list, set, map)

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- No public GitHub repository available -

What is Deno?

It is a secure runtime for JavaScript and TypeScript built with V8, Rust, and Tokio.

What is Go?

Go is expressive, concise, clean, and efficient. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel type system enables flexible and modular program construction. Go compiles quickly to machine code yet has the convenience of garbage collection and the power of run-time reflection. It's a fast, statically typed, compiled language that feels like a dynamically typed, interpreted language.

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What companies use Deno?
What companies use Go?

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What are some alternatives to Deno and Go?
Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.
Rust is a systems programming language that combines strong compile-time correctness guarantees with fast performance. It improves upon the ideas of other systems languages like C++ by providing guaranteed memory safety (no crashes, no data races) and complete control over the lifecycle of memory.
Python is a general purpose programming language created by Guido Van Rossum. Python is most praised for its elegant syntax and readable code, if you are just beginning your programming career python suits you best.
npm is the command-line interface to the npm ecosystem. It is battle-tested, surprisingly flexible, and used by hundreds of thousands of JavaScript developers every day.
It鈥檚 a collection of superfast tests or detects as we like to call them which run as your web page loads, then you can use the results to tailor the experience to the user. It tells you what HTML, CSS and JavaScript features the user鈥檚 browser has to offer.
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