Zac Sweers shares the original design document for Metro (formerly Lattice), a dependency injection framework he began developing in December 2024. The 30-page doc was written over the holidays and reviewed by roughly 10 community members in early January 2025. The full doc is available as a published Google Doc, and a version with annotated comments as footnotes is hosted on the Metro documentation site.

1m read timeFrom zacsweers.dev
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