Writing archive

Everything published under Writing, newest first. Each entry is labelled as part of an investigation, an article or reference. Short engineering notes have their own archive.

Published on
September 25, 2026
Article · Through the layers
When Aho–Corasick Prefilters Help—and When They Hurt
A prefilter can skip most automaton work, but it is heuristic rather than free. I show how candidate frequency and pattern shape decide whether it helps a Rust search.
Published on
September 25, 2026
Article · Derived state
Cargo Resolver 3: How MSRV Changes Dependency Selection
Cargo resolver 3 prefers dependency releases compatible with your declared rust-version. See where fallback helps, where it cannot, and how workspaces change the result.
Published on
September 25, 2026
Article · Derived state
Contract Tests That Detect Provider Drift Before Production
Schema validation catches only part of provider drift. Test the fields, behaviours, and semantic mappings your consumer actually depends on, then verify them safely.
Published on
September 24, 2026
Article · Derived state
Why Cargo Build Scripts Rerun and How to Make Them Predictable
Cargo build scripts are cached from declared file and environment inputs. Use rerun-if rules, verbose evidence, and a rebuild matrix to remove accidental rebuilds.
Published on
September 24, 2026
Article · Interrupted execution
Testing an API Integration Against Time, Retries, and Bad Pages
A useful fake provider controls time, pagination, throttling, malformed data, and ambiguous writes. Test the integration protocol, not only JSON decoding.

Writing archive

When Aho–Corasick Prefilters Help—and When They Hurt

Cargo Resolver 3: How MSRV Changes Dependency Selection

Contract Tests That Detect Provider Drift Before Production

Why Cargo Build Scripts Rerun and How to Make Them Predictable

Testing an API Integration Against Time, Retries, and Bad Pages