ghc-8.2.0.20170404: The GHC API

Safe HaskellNone
LanguageHaskell2010

TcClassDcl (signature[?])

Synopsis

Documentation

tcATDefault :: Bool -> SrcSpan -> TCvSubst -> NameSet -> ClassATItem -> TcM [FamInst] Source #

Construct default instances for any associated types that aren't given a user definition Returns [] or singleton