How I accidentally wrote something fast and declarative (in Rust)

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This article describes how to build a fast, declarative Markdown parser in Rust. It focuses on parser design, zero-copy processing, AST construction, and performance tradeoffs such as memory use and throughput. The author compares Rust with other languages and highlights techniques like memchr, SIMD, and custom parser macros. Benchmarks show very high parsing speed on large corpora, and fuzzing results suggest the implementation is reasonably robust. The piece reads like an engineering case study rather than a company news event.

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