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Modular Interpreters and Visitors in Rust with Extensible Variants and CGP
Discuss on Reddit, GitHub or Discord. Recap This is the second part of the blog series on Programming Extensible Data Types in Rust with CGP.
Mistakes such as passing the wrong reference type, using incompatible trait bounds, or violating borrowing rules are caught immediately at compile time, often with clear and actionable error messages. Thanks to CGP’s flexibility and strong compile-time guarantees, once your code compiles, you can trust that missing non-essential features won’t break your core functionality — allowing you to focus on what matters most in early development. Rather than tying our logic to rigid enums or bloated visitor traits, we’ve been able to deconstruct and evaluate expressions with reusable, decoupled components — all backed by strong compile-time guarantees.
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