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Free OCaml to Rust Converter

Translate OCaml into Rust code with a click of a button

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Three simple steps

How to use this tool?

This free online converter translates OCaml source code into Rust in three simple steps.

  1. Step 1

    Add your OCaml code

    Type, paste, or upload the OCaml code you want to translate.

  2. Step 2

    Convert the code

    Click Convert to translate the source code into Rust.

  3. Step 3

    Review the result

    Review, copy, or download the resulting Rust code from the output editor.

See it in action

Examples of OCaml to Rust conversion

These examples show OCaml source code and the corresponding Rust translation. Generated results can vary as AI models are updated.

Example 1

Is String Palindrome

Program that checks if a string is a palindrome or not.

OCaml code

Rust code

Example 2

Even or Odd

A well commented function to check if a number if odd or even.

OCaml code

Rust code

Language comparison

Key differences between OCaml and Rust

Key differences between OCaml and Rust
CharacteristicOCamlRust
SyntaxOCaml has a syntax that is influenced by functional programming languages and uses significant whitespace for indentation. It has a strong type inference system.Rust has a syntax that is influenced by C and C++ and uses curly braces for block delimiters. It has a strong static type system with type inference.
ParadigmOCaml is a multi-paradigm language that supports functional programming, imperative programming, and object-oriented programming.Rust is a multi-paradigm language that supports imperative programming, functional programming, and concurrent programming.
TypingOCaml has a strong static type system with type inference. It supports parametric polymorphism and algebraic data types.Rust has a strong static type system with type inference. It supports algebraic data types and traits for ad hoc polymorphism.
PerformanceOCaml is known for its efficient runtime system and can achieve high performance. It has a garbage collector for automatic memory management.Rust is designed for high performance and provides fine-grained control over memory allocation. It has a zero-cost abstractions principle and does not have a garbage collector.
Libraries and frameworksOCaml has a rich ecosystem of libraries and frameworks, including libraries for web development, data processing, and scientific computing.Rust has a growing ecosystem of libraries and frameworks, with a focus on systems programming and web development. It has libraries for networking, concurrency, and cryptography.
Community and supportOCaml has an active community and is supported by the OCaml Software Foundation. It has online forums, mailing lists, and regular conferences.Rust has a vibrant community and is supported by the Rust Foundation. It has online forums, a package manager, and regular conferences.
Learning curveOCaml has a moderate learning curve. It requires understanding functional programming concepts and the OCaml syntax.Rust has a steep learning curve. It requires understanding systems programming concepts, memory management, and the Rust syntax.

Common questions

Frequently Asked Questions

How do I convert OCaml to Rust?

Paste your OCaml code into the input box, confirm the languages are set to OCaml and Rust, and click Convert. CodeConvert AI analyzes your OCaml code and generates equivalent Rust code in seconds, preserving the original logic and structure.

What are the main differences between OCaml and Rust?

OCaml and Rust differ in syntax, type system, standard libraries, and common idioms, so copying code line for line usually will not compile. The converter maps each OCaml construct to its closest Rust equivalent. See the comparison table below for the key differences between OCaml and Rust.

Is the converted Rust code accurate?

The AI produces high-quality Rust code that preserves the behavior of your original OCaml code and follows Rust conventions. It handles common patterns, data structures, and idioms for both OCaml and Rust. For large or performance-critical code, review and test the Rust output before using it in production.

Can I convert an entire OCaml project to Rust?

You can convert OCaml files one at a time by pasting each file's code. For a full migration, convert each file and then review how classes, dependencies, and project structure map from OCaml to Rust. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.

Can I convert Rust back to OCaml?

Yes. CodeConvert AI converts in both directions, so you can convert Rust to OCaml just as easily using our Rust to OCaml converter. Try the Rust to OCaml Converter

Is the OCaml to Rust converter free, and do I need to install anything?

Yes, it is free and runs in your browser with nothing to install and no IDE extension required. You can convert OCaml to Rust without an account for up to 5 conversions per day. Sign in for free for higher limits.

What are the benefits of signing in?

Signing in unlocks CodeConvert AI's Pro converter with more powerful AI models, a built-in chat assistant, code execution, saved conversion history, and personal notes. Every free account includes 5 credits and supports up to 25,000 characters of input per conversion, with no credit card required.

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