Online Janet to Crystal Converter
Click to select or drop your input code file here.
You can also type the input code below.
How to use this tool?
This free online converter lets you convert code from Janet to Crystal in a click of a button. To use this converter, take the following steps -
- Type or paste your Janet code in the input box.
- Click the convert button.
- The resulting Crystal code from the conversion will be displayed in the output box.
Key differences between Janet and Crystal
| Characteristic | Janet | Crystal |
|---|---|---|
| Syntax | Lisp-like, uses s-expressions with parentheses, minimalistic and homoiconic. | Ruby-like, clean and readable, uses indentation and familiar control structures. |
| Paradigm | Multi-paradigm: functional, imperative, and metaprogramming. | Multi-paradigm: object-oriented, functional, and concurrent. |
| Typing | Dynamically typed. | Statically typed with type inference. |
| Performance | Interpreted, fast for a scripting language but generally slower than compiled languages. | Compiled to native code, performance close to C. |
| Libraries and frameworks | Smaller ecosystem, core libraries and some community packages. | Growing ecosystem, many libraries and web frameworks like Kemal and Amber. |
| Community and support | Small but active community, limited resources and support. | Larger and more active community, better documentation and support. |
| Learning curve | Steeper for those unfamiliar with Lisp syntax, but simple core concepts. | Gentle for those with Ruby experience, approachable for beginners. |
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