github carbon-language/carbon-lang v0.0.0-0.nightly.2025.12.18
Nightly build 2025.12.18

What's Changed

Toolchain and implementation changes 🛠️

  • Implement "unused pattern bindings" p2022 - parsing by @burakemir in #6460
  • Replace unused bindings with anonymous binding in lower/testdata. by @burakemir in #6479
  • Format impl witness instructions as part of the impl by @danakj in #6485
  • Make EvalLookupSingleImplWitness shorter by @danakj in #6517
  • Refactor BuildCustomWitness out to its own file by @jonmeow in #6515
  • Add CoreInterface for consistent tracking of CoreIdentifier interfaces by @jonmeow in #6516

Documentation changes 📝

Full Changelog: v0.0.0-0.nightly.2025.12.17...v0.0.0-0.nightly.2025.12.18

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