How to use this tool?

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

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

Examples

The following are examples of code conversion from Crystal to Rust 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.

Crystal

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Rust

Example 2 - Even or Odd

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

Crystal

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Rust

Key differences between Crystal and Rust

CharacteristicCrystalRust
SyntaxCrystal has a syntax similar to Ruby, with some additional features.Rust has a syntax similar to C++, with some additional features.
ParadigmCrystal is a statically-typed, object-oriented language with some functional programming features.Rust is a statically-typed, systems programming language with a focus on safety and concurrency.
TypingCrystal has static typing with type inference.Rust has static typing with type inference.
PerformanceCrystal has good performance, comparable to that of C.Rust has excellent performance, comparable to that of C and C++.
Libraries and frameworksCrystal has a smaller ecosystem of libraries and frameworks compared to Rust.Rust has a growing ecosystem of libraries and frameworks.
Community and supportCrystal has a smaller community and less support compared to Rust.Rust has a large and active community with good support.
Learning curveCrystal has a relatively low learning curve, especially for developers familiar with Ruby.Rust has a steeper learning curve due to its focus on memory safety and concurrency.