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polysemy v1.7.0.0 Release Notes

Release Date: 2021-11-16 // almost 3 years ago

  • 💥 Breaking Changes

    • ➕ Added interpreters for AtomicState that run in terms of State.
    • ✂ Removed MemberWithError
    • ✂ Removed DefiningModule

    Other Changes

    • The internal ElemOf proof is now implemented as an unsafe integer, significantly cutting down on generated core.
    • Polysemy no longer emits custom type errors for ambiguous effect actions. These have long been rendered moot by polysemy-plugin, and the cases that they still exist are usually overeager (and wrong.)
    • As a result, the core produced by polysemy is significantly smaller. Programs should see a reduction of ~20% in terms and types, and ~60% in coercions.