How to use this tool?

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

  1. Type or paste your COBOL 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 COBOL 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.

COBOL

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Rust

Example 2 - Even or Odd

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

COBOL

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Rust

Key differences between COBOL and Rust

CharacteristicCOBOLRust
SyntaxCOBOL has a verbose and English-like syntax.Rust has a modern and expressive syntax.
ParadigmCOBOL is primarily procedural and imperative.Rust is a multi-paradigm language, supporting imperative, functional, and object-oriented programming.
TypingCOBOL has static typing.Rust has static typing with type inference.
PerformanceCOBOL is known for its efficiency and performance in handling large-scale business applications.Rust is designed for high performance and low-level system programming.
Libraries and frameworksCOBOL has a limited number of libraries and frameworks compared to modern languages.Rust has a growing ecosystem of libraries and frameworks.
Community and supportCOBOL has a smaller and more specialized community with limited support.Rust has a vibrant and active community with strong support.
Learning curveCOBOL has a steep learning curve, especially for developers with no prior experience.Rust has a moderate learning curve, with a focus on memory safety and concurrency.