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Online Grain to Kotlin 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 Kotlin 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 Kotlin code from the conversion will be displayed in the output box.

Key differences between Grain and Kotlin

CharacteristicGrainKotlin
SyntaxSyntax is inspired by OCaml and Elm, featuring a functional style with pattern matching and immutability.Syntax is concise and expressive, similar to Java but with modern features and less boilerplate.
ParadigmPrimarily functional, with strong emphasis on immutability and pure functions.Multi-paradigm; supports object-oriented, functional, and procedural programming.
TypingStatically typed with strong type inference and algebraic data types.Statically typed with type inference, null safety, and support for generics.
PerformanceCompiles to WebAssembly, offering good performance for web-based applications.Compiles to JVM bytecode, JavaScript, or native code; performance is generally on par with Java.
Libraries and frameworksLimited ecosystem; fewer libraries and frameworks due to its niche and emerging status.Rich ecosystem; can use Java libraries and has dedicated frameworks like Ktor and Jetpack Compose.
Community and supportSmall and growing community with limited resources and support.Large, active community with strong support from JetBrains and Google.
Learning curveSteeper learning curve, especially for those unfamiliar with functional programming.Gentle learning curve, especially for developers with Java or C-style language backgrounds.