• Adam Gundry's avatar
    Disambiguate record selectors by type signature · 0a163741
    Adam Gundry authored
    This makes DuplicateRecordFields more liberal in when it will
    accept ambiguous record selectors, making use of type information in a
    similar way to updates. See Note [Disambiguating record fields] for more
    details. I've also refactored how record updates are disambiguated.
    Test Plan: New and amended tests in overloadedrecflds
    Reviewers: simonpj, goldfire, bgamari, austin
    Subscribers: thomie
    Differential Revision: https://phabricator.haskell.org/D1391
HsPat.hs 24.5 KB