Online OCaml to Grain 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 OCaml to Grain in a click of a button. To use this converter, take the following steps -
- Type or paste your OCaml code in the input box.
- Click the convert button.
- The resulting Grain code from the conversion will be displayed in the output box.
Key differences between OCaml and Grain
| Characteristic | OCaml | Grain |
|---|---|---|
| Syntax | Uses a traditional ML-style syntax with significant whitespace and explicit type annotations; mature and expressive. | Inspired by OCaml but designed to be simpler and more approachable, with some syntax differences for WebAssembly compatibility. |
| Paradigm | Multi-paradigm: functional, imperative, and object-oriented programming supported. | Primarily functional, with some support for imperative constructs; designed for functional-first programming. |
| Typing | Statically typed with strong type inference and a powerful type system. | Statically typed with type inference, but the type system is simpler and less mature than OCaml's. |
| Performance | Compiles to efficient native code and bytecode; generally high performance for a functional language. | Compiles to WebAssembly, optimized for web and cross-platform environments; performance depends on WebAssembly runtime. |
| Libraries and frameworks | Rich ecosystem with many libraries and frameworks, especially for systems programming, compilers, and research. | Smaller and newer ecosystem; limited libraries focused on WebAssembly and web development. |
| Community and support | Large, established community with extensive documentation, forums, and academic support. | Small but growing community; support mainly through official channels and Discord. |
| Learning curve | Moderate to steep, especially for those new to functional programming or ML-family languages. | Designed to be beginner-friendly, with a gentler learning curve and simpler syntax. |
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