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Online Janet to Grain Converter

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upload iconClick 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 Grain in a click of a button. To use this converter, take the following steps -

  1. Type or paste your Janet code in the input box.
  2. Click the convert button.
  3. The resulting Grain code from the conversion will be displayed in the output box.

Key differences between Janet and Grain

CharacteristicJanetGrain
SyntaxLisp-like, uses s-expressions with parentheses, minimalistic and concise.ML-inspired, uses OCaml/F#-like syntax, more traditional and readable for those familiar with functional languages.
ParadigmMulti-paradigm, primarily functional with support for imperative and metaprogramming.Functional-first, strongly emphasizes functional programming concepts.
TypingDynamically typed.Statically typed with type inference.
PerformanceInterpreted, fast for a scripting language, suitable for embedding.Compiles to WebAssembly, generally faster and more suitable for performance-critical web applications.
Libraries and frameworksSmaller ecosystem, core libraries are lightweight, some third-party modules.Limited but growing ecosystem, focused on WebAssembly, fewer libraries compared to mainstream languages.
Community and supportSmall but active community, good documentation, responsive maintainers.Very small and niche community, documentation is improving, less community support.
Learning curveModerate, especially for those unfamiliar with Lisp syntax.Moderate to steep, especially for those new to functional programming or ML-style languages.