Index - H
| HalfOpenLeft | Language.Distfix |
| HalfOpenRight | Language.Distfix |
| hasProd | Data.FiniteType |
| hasSum | Data.FiniteType |
| Hexpr | Data.Hexpr |
| Hierarchy | Data.Hierarchy |
| hoistEither | Control.Monad.Errors |
| hoistEither1 | Control.Monad.Errors |
| hoistMaybe | Control.Monad.Errors |