Commit 63168f87 authored by's avatar
Browse files

Add comments

parent 2b7f450a
......@@ -271,8 +271,9 @@ data DataCon
-- syntax, provided its type looks like the above.
-- The declaration format is held in the TyCon (algTcGadtSyntax)
dcUnivTyVars :: [TyVar], -- Universally-quantified type vars
dcUnivTyVars :: [TyVar], -- Universally-quantified type vars [a,b,c]
-- INVARIANT: length matches arity of the dcRepTyCon
--- result type of (rep) data con is exactly (T a b c)
dcExTyVars :: [TyVar], -- Existentially-quantified type vars
-- In general, the dcUnivTyVars are NOT NECESSARILY THE SAME AS THE TYVARS
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment