Comments on equality types and classes
authorSimon Peyton Jones <simonpj@microsoft.com>
Tue, 15 Dec 2015 14:22:37 +0000 (14:22 +0000)
committerSimon Peyton Jones <simonpj@microsoft.com>
Tue, 15 Dec 2015 14:33:32 +0000 (14:33 +0000)
commitb8ca64592e331005def4f734e026d5418950e6e1
tree628bc7b0b05d3e1a7da728ef69d362ce3ee30ad5
parent98cdaee73038094eea25d994f1fd0828b3c8dd0e
Comments on equality types and classes

This is really just doucumenting one aspect of the kind-equality patch.

See especially Note [Equality types and classes] in TysWiredIn.
Other places should just point to this Note.

Richard please check for veracity.
compiler/prelude/TysPrim.hs
compiler/prelude/TysWiredIn.hs
libraries/base/Data/Type/Equality.hs
libraries/ghc-prim/GHC/Types.hs