module Sqel.Names.Error where import Sqel.SOP.Error (QuotedError) import Type.Errors (ErrorMessage) type CountMismatch :: Symbol -> ErrorMessage -> Nat -> Nat -> ErrorMessage type family CountMismatch desc a spec actual where CountMismatch desc a spec actual = "The " <> desc <> " " <> QuotedError a <> " has " <> actual <> " fields, but the expression specifies " <> spec <> "." type family NoPrimType (a :: Type) :: k where NoPrimType a = TypeError ("Can't set type name on primitive column of type " <> a)