| Handle | Indigo.Backend.Prelude, Indigo.Prelude, Indigo |
| handleAny | Indigo.Backend.Prelude, Indigo.Prelude, Indigo |
| HasAnnotation | Indigo.Lorentz, Indigo |
| HasCallStack | Indigo.Backend.Prelude, Indigo.Prelude, Indigo |
| HasDefEntrypointArg | Indigo.Lorentz, Indigo |
| HasEntrypointArg | Indigo.Lorentz, Indigo |
| HasEntrypointOfType | Indigo.Lorentz, Indigo |
| HasField | Indigo.Internal.Field, Indigo.Internal, Indigo |
| HasFieldOfType | Indigo.Lorentz, Indigo |
| HasFieldsOfType | Indigo.Lorentz, Indigo |
| Hashable | Indigo.Backend.Prelude, Indigo.Prelude, Indigo |
| HashKey | Indigo.Internal.Expr.Types, Indigo.Internal.Expr, Indigo.Internal, Indigo |
| hashKey | Indigo.Internal.Expr.Symbolic, Indigo.Internal.Expr, Indigo.Internal, Indigo |
| HashMap | Indigo.Backend.Prelude, Indigo.Prelude, Indigo |
| hashNub | Indigo.Backend.Prelude, Indigo.Prelude, Indigo |
| HashSet | Indigo.Backend.Prelude, Indigo.Prelude, Indigo |
| hashWithSalt | Indigo.Backend.Prelude, Indigo.Prelude, Indigo |
| haskellAddNewtypeField | Indigo.Lorentz, Indigo |
| haskellRepNoFields | Indigo.Lorentz, Indigo |
| haskellRepStripFieldPrefix | Indigo.Lorentz, Indigo |
| HasSideEffects | Indigo.Internal.Object, Indigo.Internal, Indigo.Compilation, Indigo |
| HasStorage | Indigo.Internal.Object, Indigo.Internal, Indigo.Compilation, Indigo |
| HasUField | Indigo.Lorentz, Indigo |
| HasUStore | Indigo.Lorentz, Indigo |
| HasUStoreForAllIn | Indigo.Lorentz, Indigo |
| HaveCommonTypeCtor | Indigo.Lorentz, Indigo |
| hClose | Indigo.Backend.Prelude, Indigo.Prelude, Indigo |
| head | Indigo.Backend.Prelude, Indigo.Prelude, Indigo |
| homomorphicTypeDocHaskellRep | Indigo.Lorentz, Indigo |
| homomorphicTypeDocMdReference | Indigo.Lorentz, Indigo |
| homomorphicTypeDocMichelsonRep | Indigo.Lorentz, Indigo |
| hPrint | Indigo.Backend.Prelude, Indigo.Prelude, Indigo |
| hPutStr | Indigo.Backend.Prelude, Indigo.Prelude, Indigo |
| hPutStrLn | Indigo.Backend.Prelude, Indigo.Prelude, Indigo |