How to use this tool?

This free online converter lets you convert code from Rust to Crystal in a click of a button. To use this converter, take the following steps -

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

Examples

The following are examples of code conversion from Rust to Crystal using this converter. Note that you may not always get the same code since it is generated by an AI language model which is not 100% deterministic and gets updated from time to time.

Example 1 - Is String Palindrome

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

Rust

right arrow

Crystal

Example 2 - Even or Odd

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

Rust

right arrow

Crystal

Key differences between Rust and Crystal

CharacteristicRustCrystal
SyntaxRust has a syntax that is similar to C++ and is known for its focus on safety and memory management.Crystal has a syntax that is similar to Ruby and is known for its simplicity and readability.
ParadigmRust is a multi-paradigm language that supports imperative, functional, and object-oriented programming.Crystal is a statically-typed, object-oriented language that is heavily influenced by Ruby.
TypingRust has a strong static type system that enforces memory safety and prevents data races.Crystal has a static type system that allows for type inference and provides type safety.
PerformanceRust is known for its high performance and low-level control over system resources.Crystal provides a balance between performance and developer productivity, but may not be as fast as Rust.
Libraries and frameworksRust has a growing ecosystem of libraries and frameworks, but it may not have as many options as more established languages.Crystal has a smaller ecosystem of libraries and frameworks compared to more popular languages, but it is steadily growing.
Community and supportRust has a strong and active community with good documentation and support.Crystal has a smaller community compared to Rust, but it is growing and has active contributors.
Learning curveRust has a steep learning curve due to its focus on memory safety and low-level programming concepts.Crystal has a relatively low learning curve, especially for developers familiar with Ruby.