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Online Grain to Nim 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 Grain to Nim in a click of a button. To use this converter, take the following steps -

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

Key differences between Grain and Nim

CharacteristicGrainNim
SyntaxSyntax is inspired by OCaml and ReasonML, featuring a functional style with pattern matching and type inference.Syntax is Python-like, clean, and readable, supporting both procedural and object-oriented styles.
ParadigmPrimarily functional, with strong emphasis on immutability and pure functions.Multi-paradigm: supports procedural, object-oriented, functional, and metaprogramming.
TypingStatically typed with strong type inference and algebraic data types.Statically typed with type inference, supports generics and metaprogramming.
PerformanceCompiles to WebAssembly, optimized for web performance but not as fast as native code.Compiles to C, C++, or JavaScript, producing highly efficient native binaries with performance close to C.
Libraries and frameworksLimited ecosystem, focused on WebAssembly and web development; fewer libraries available.Growing ecosystem with libraries for web, systems, and application development; can use C libraries via FFI.
Community and supportSmall and emerging community, mostly centered around WebAssembly enthusiasts.Larger and more established community, with active forums, Discord, and documentation.
Learning curveModerate to steep, especially for those unfamiliar with functional programming concepts.Gentle for those with Python or C experience; syntax and concepts are approachable.