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authorAlec Theriault <alec.theriault@gmail.com>2020-04-21 10:53:28 -0400
committerAlec Theriault <alec.theriault@gmail.com>2020-04-21 08:06:45 -0700
commit5bc5016a14bc872a8315cddc629f8171a9ccd62e (patch)
treeff26691fdd58d13240668cad0e4175ea5de5c4d2 /doc/ghc.mk
parent83f0fa0b6218c34898337bf41072ee5fedec1bde (diff)
Fallback to `hiDecl` when `extractDecl` fails
Sometimes, the declaration being exported is a subdecl (for instance, a record accessor getting exported at the top-level). For these cases, Haddock has to find a way to produce some synthetic sensible top-level declaration. This is done with `extractDecl`. As is shown by #1067, this is sometimes impossible to do just at a syntactic level (for instance when the subdecl is re-exported). In these cases, the only sensible thing to do is to try to reify a declaration based on a GHC `TyThing` via `hiDecl`.
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