---
title: "Discussion on \"Refined Types in Rust: Parse, Don't Validate\" | Hashnode"
description: "Discussion on \"Refined Types in Rust: Parse, Don't Validate\". Why wrapping validated data in dedicated types eliminates entire categories of bugs"
url: "https://hashnode.com/posts/refined-types-in-rust-parse-dont-validate/695076b43870b799115fe66f"
---

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# [Refined Types in Rust: Parse, Don't Validate](https://entropicdrift.hashnode.dev/refined-types-in-rust-parse-dont-validate?utm_source=hashnode&utm_medium=feed)

Why wrapping validated data in dedicated types eliminates entire categories of bugs

Dec 28, 2025 · 8 min read · entropicdrift.hashnode.dev  
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-   [#rust](https://hashnode.com/tag/rust)
-   [#types](https://hashnode.com/tag/types)
-   [#validation](https://hashnode.com/tag/validation)
-   [#functional-programming](https://hashnode.com/tag/functional-programming)

## Written by

[Glen Baker](https://hashnode.com/@iepathos)

@iepathos

  
[View profile](https://hashnode.com/@iepathos)

I'm a polyglot comfortable across the stack. Building open source tools in my free time and writing about static code analysis, information theory, developer tooling, and AI.

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