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Crystal (programming language) VS Evil

Compare Crystal (programming language) VS Evil and see what are their differences

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Crystal (programming language) logo Crystal (programming language)

Programming language with Ruby-like syntax that compiles to efficient native code.

Evil logo Evil

The extensible vi layer for Emacs.
  • Crystal (programming language) Landing page
    Landing page //
    2022-01-26
  • Evil Landing page
    Landing page //
    2023-08-04

Crystal (programming language) features and specs

  • Performance
    Crystal is designed to have the performance of C, thanks to its compilation to efficient native code. Its static type system and low-level memory management capabilities allow optimized execution.
  • Syntax
    Crystal offers a syntax that is heavily inspired by Ruby, making it intuitive and familiar for Ruby developers. This can significantly reduce the learning curve and improve developer productivity.
  • Type Inference
    Crystal provides powerful type inference, enabling developers to write less boilerplate code while still benefiting from the safety and performance of a statically-typed language.
  • Concurrency
    Crystal supports lightweight concurrency with fibers, which allows developers to write efficient and scalable concurrent programs with a simpler syntax compared to traditional threading models.
  • Community and Ecosystem
    Crystal has an active and growing community. It also boasts a rich ecosystem with libraries and tools, making it easier for developers to find resources and support.

Possible disadvantages of Crystal (programming language)

  • Maturity
    Crystal is still a relatively young language compared to more established languages like Python or Java. This can mean fewer resources, libraries, and tools, as well as potential instability in certain areas.
  • Compilation Time
    Crystal's compilation times can be slower compared to interpreted languages, particularly for larger codebases. This can impact development workflows and iteration speed.
  • Binary Size
    Compiled Crystal programs tend to generate larger binary sizes compared to other compiled languages like Go or Rust. This can be a consideration for resource-constrained environments.
  • Platform Support
    Being less mature, Crystal may have fewer options for platform-specific optimizations and integrations, which could limit its use in certain specialized applications.
  • Tooling
    Although the situation is improving, Crystal's tooling ecosystem is not as mature as those of older languages. This can affect the availability and quality of IDE support, debugging tools, and other development aids.

Evil features and specs

  • Vim Emulation
    Evil provides a near-complete emulation of Vim’s features within Emacs, allowing users who are familiar with Vim to transition without losing their preferred keybindings and workflow.
  • Customizability
    Evil allows users to customize their configurations extensively, combining the powerful text-editing capabilities of Vim with the customizability of Emacs.
  • Community Support
    Evil has a large and active community, providing a wealth of plugins and resources to enhance the text editing experience.
  • Mode Integration
    Evil integrates smoothly with various Emacs major and minor modes, allowing users to leverage the full functionality of Emacs alongside Vim's modal editing.

Possible disadvantages of Evil

  • Learning Curve
    For users unfamiliar with Vim, the modal editing approach can introduce a significant learning curve, particularly for those accustomed to traditional text editors.
  • Complex Configuration
    Configuring Evil to fully integrate with existing Emacs setups can be complex and time-consuming, especially when customizing keybindings and behaviors.
  • Performance
    In some cases, using Evil with certain Emacs configurations or plugins may lead to performance issues, such as lag or delayed responses.
  • Inconsistencies
    There might be inconsistencies between Evil’s implementation of Vim features and the original, which could affect workflows for power users who rely on specific Vim functionalities.

Analysis of Crystal (programming language)

Overall verdict

  • Crystal is considered a good choice for developers who appreciate the syntax and flexibility of Ruby but require the performance and safety of a compiled language. Its balance of readability and efficiency makes it ideal for projects where high performance is critical but developer productivity cannot be sacrificed. However, potential users should consider the relatively smaller community compared to more established languages.

Why this product is good

  • Crystal is designed to combine the elegance and productivity of Ruby with the performance and efficiency of a compiled language. It offers a syntax that is close to Ruby, making it easy to read and write, while its compiler produces highly optimized native code. The language features static type checking, which helps catch errors at compile time, and it comes with powerful concurrency support through lightweight fibers. Additionally, Crystal's extensive standard library and growing ecosystem make it suitable for a wide range of applications.

Recommended for

  • Developers who enjoy Ruby's syntax but need better performance.
  • Projects that require strong concurrency support.
  • Applications where native code performance is a priority.
  • Developers willing to explore a language with a smaller ecosystem.

Crystal (programming language) videos

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Evil videos

Evil - Season 1 Review [No Spoilers]

More videos:

  • Review - Evil Season 2 Finale Review! (Episode 13)
  • Review - Evil (CBS): Finale/Season 1 - TV Review

Category Popularity

0-100% (relative to Crystal (programming language) and Evil)
Programming Language
100 100%
0% 0
Text Editors
0 0%
100% 100
Generic Programming Language
IDE
0 0%
100% 100

User comments

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Social recommendations and mentions

Based on our record, Crystal (programming language) should be more popular than Evil. It has been mentiond 123 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Crystal (programming language) mentions (123)

  • Ruby for Good
    Which can include type assertions but also a lot more. The agents seem to do well with this. I've also had good results using agents to write Crystal https://crystal-lang.org/ which is Ruby-like but does have the static types and produces blazing fast static binaries. Might be a sweet spot for coding agents if you're building some backend services. But I'd still pick Ruby on Rails for a new full stack project. - Source: Hacker News / 3 months ago
  • Ask HN: What Are You Working On? (May 2026)
    Sounds a lot like Crystal, which is also similar to Ruby and features a green fiber runtime: https://crystal-lang.org/#concurrency. - Source: Hacker News / 4 months ago
  • A Grand Vision for Rust
    > 1. Go with a better type system. A compiled language, that has sum types, no-nil, and generics. I was looking for something like that and eventually found Crystal (https://crystal-lang.org) as a closest match: LLVM compiled, strong static typing with explicit nulls and very good type inference, stackfull coroutines, channels etc. - Source: Hacker News / 6 months ago
  • Response to Ruby Is Not a Serious Programming Language
    Wondering why https://crystal-lang.org/ hasn't been mentioned in the comments. - Source: Hacker News / 9 months ago
  • Show HN: Ü Programming Language
    > What kind of code snippets could you suggest? Anything really! Some websites that do this currently: https://ziglang.org, https://crystal-lang.org and https://www.ruby-lang.org/en > I have a comparison table mentioning features Yes - I did see this in the README. Maybe worth adding it, or something similar to the website. - Source: Hacker News / 10 months ago
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Evil mentions (62)

  • Are We Stuck with Lean?
    > It feels exactly like if all the emacs users in the world tried to force all vim users to use emacs. That's why emacs has a vim mode[1]. [1] - https://github.com/emacs-evil/evil. - Source: Hacker News / about 1 month ago
  • Switching from the Mac port Build of Emacs to the Standard NS Build
    That said, the default for sis-context-hooks, which decides when it fires, is '(evil-insert-state-entry-hook), which assumes evil. If you don't use evil, this hook never gets called and it won't work, so you'll need to add hooks that match your own workflow. - Source: dev.to / 3 months ago
  • Creating an Emacs major mode - because why not?
    For multiple reasons, one of them just being curiosity, I started using Emacs. And before anyone wants to start waging the holy war of editors1, I'll put myself out there and pronounce that the one and only correct answer is: Emacs with EVIL (GitHub) mode. - Source: dev.to / almost 2 years ago
  • Helix-gpui: helix gpui front end
    Emacs is whatever you want it to be, and it has wonderful modal editing packages such as evil-mode[1] - which surpasses the editing system from vi that it is based on - and Meow[2] 1. https://github.com/emacs-evil/evil. - Source: Hacker News / over 2 years ago
  • Packages that you would like to be in emacs core ?
    Since we already have vyper-mode, why not add Evil to the stack? Source: over 2 years ago
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What are some alternatives?

When comparing Crystal (programming language) and Evil, you can also consider the following products

Nim (programming language) - The Nim programming language is a concise, fast programming language that compiles to C, C++ and JavaScript.

Doom Emacs - Emacs configuration similar to Spacemacs but faster and lighter.

Go Programming Language - Go, also called golang, is a programming language initially developed at Google in 2007 by Robert...

Org mode - Org: an Emacs Mode for Notes, Planning, and Authoring

V (programming language) - Simple, fast, safe, compiled language for developing maintainable software.

Vim Adventures - Learning Vim while playing a game