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A barcode library built with a new model, tested on labelled real-world images, published in 3 languages

Used GPT-6 to develop a new barcode scanner library, built a labelled real-world test suite, and published it for JS, Python and Rust.

How it works

  1. He uses the newest model to develop the barcode scanner library
  2. Builds a labelled real-world test suite
  3. Publishes it for three languages

Why it’s worth knowing

Labelled real-world tests are what separates a library from a demo.

Where it’s from

Summarized from a public post on news.ycombinator.com. See the original ↗

Upgraded prompt

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1Who the AI should be
2The prompt, with the steps
3The check when it’s done
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