Online Grain 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 Grain to Crystal in a click of a button. To use this converter, take the following steps -
- Type or paste your Grain 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 Grain and Crystal
| Characteristic | Grain | Crystal |
|---|---|---|
| Syntax | Grain uses a syntax inspired by OCaml and ReasonML, featuring pattern matching, type inference, and functional constructs. | Crystal's syntax is heavily inspired by Ruby, offering a clean, readable, and expressive style with familiar constructs for Ruby developers. |
| Paradigm | Primarily functional, with strong emphasis on immutability and functional programming concepts. | Multi-paradigm, supporting object-oriented, functional, and imperative programming styles. |
| Typing | Statically typed with type inference, similar to ML-family languages. | Statically typed with type inference, aiming for the feel of a dynamically typed language like Ruby. |
| Performance | Compiles to WebAssembly, offering good performance for web-based applications but not as fast as native binaries. | Compiles to native code via LLVM, providing performance close to C for many workloads. |
| Libraries and frameworks | Limited ecosystem, with a small but growing set of libraries focused on WebAssembly and functional programming. | More mature ecosystem, including web frameworks like Amber and Kemal, and a broader range of libraries for various tasks. |
| Community and support | Small and emerging community, with limited resources and support channels. | Larger and more active community, with more documentation, forums, and third-party resources. |
| Learning curve | Moderate to steep, especially for those unfamiliar with functional programming or ML-style languages. | Gentle for Ruby developers, moderate for others; the familiar syntax and clear documentation help ease learning. |
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