language-design

  • 30th January 2026

Making Flix Compiler Errors Helpful and Delightful

A tour of the new and improved error messages in the Flix compiler, featuring syntax highlighting, clearer explanations, and actionable suggestions.

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  • 2nd January 2026

Will LLMs Help or Hurt New Programming Languages?

A perspective on how LLMs might impact the adoption of new programming languages.

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  • 15th September 2025

Effect Systems vs Print Debugging: A Pragmatic Solution

A discussion of how the Flix type and effect system supports print-debugging.

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  • 1st May 2020

Taming Impurity with Polymorphic Effects

How Flix uses a type and effect system to cleanly separate pure and impure code while supporting equational reasoning

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  • 1st April 2020

Naming Functional and Destructive Operations

A discussion on naming consistency when a programming language supports both functional and destructive operations

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  • 1st January 2020

Design Flaws in Flix

A reflection on design flaws made during the development of the Flix programming language

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