Allow empty closed type families

haskell-suite / haskell-src-exts

Manipulating Haskell source: abstract syntax, lexer, parser, and pretty-printer

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Closed AshleyYakeley closed 4 years ago

AshleyYakeley commented 4 years ago

These are occasionally useful to create "virtual types", such as GHC.Exts.Any:

type family Any :: k where { }

DanBurton commented 4 years ago

Merged and published as haskell-src-exts-1.23.1