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

  1. Type or paste your Kotlin 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 Kotlin and Grain

CharacteristicKotlinGrain
SyntaxModern, concise, and expressive syntax similar to Java and influenced by other JVM languages.Functional, ML-inspired syntax similar to OCaml and ReasonML, with significant whitespace and pattern matching.
ParadigmMulti-paradigm: supports object-oriented and functional programming.Purely functional programming language.
TypingStatically typed with type inference.Statically typed with strong type inference, inspired by ML-family languages.
PerformanceHigh performance, compiles to JVM bytecode or native binaries; suitable for production applications.Compiles to WebAssembly; performance is good for web-based applications but not as mature as JVM or native targets.
Libraries and frameworksExtensive libraries and frameworks, especially for JVM and Android development.Limited libraries and frameworks; ecosystem is still growing.
Community and supportLarge, active community with strong support from JetBrains and Google.Small, emerging community with limited support.
Learning curveEasy for Java developers; moderate for others due to familiar syntax and good documentation.Steeper learning curve, especially for those unfamiliar with functional or ML-style languages.