| textParam | HsLua, HsLua.Packaging |
| textResult | HsLua, HsLua.Packaging |
| throwErrorAsException | HsLua, HsLua.Core, HsLua.Core.Error |
| throwTypeMismatchError | HsLua, HsLua.Core, HsLua.Core.Error |
| toboolean | HsLua, HsLua.Core |
| tocfunction | HsLua, HsLua.Core |
| toGCcode | HsLua.Core.Types |
| toGCdata | HsLua.Core.Types |
| toHaskellFunction | HsLua, HsLua.Class.Exposable |
| toHsFnPrecursor | HsLua, HsLua.Packaging, HsLua.Packaging.Function |
| tointeger | HsLua, HsLua.Core |
| toLuaBool | HsLua.Core.Types |
| tonumber | HsLua, HsLua.Core |
| top | HsLua, HsLua.Core, HsLua.Core.Types |
| topointer | HsLua, HsLua.Core |
| toReference | HsLua, HsLua.Core, HsLua.Core.Types |
| toStatus | HsLua.Core.Types |
| Tostring | HsLua, HsLua.ObjectOrientation, HsLua.Packaging, HsLua.Packaging.Module |
| toString | HsLua.Core.Utf8 |
| tostring | HsLua, HsLua.Core |
| tostring' | HsLua, HsLua.Core |
| toText | HsLua.Core.Utf8 |
| tothread | HsLua, HsLua.Core |
| toType | HsLua.Core.Types |
| touserdata | HsLua, HsLua.Core |
| traceback | HsLua, HsLua.Core |
| try | HsLua, HsLua.Core, HsLua.Core.Error |
| Type | HsLua, HsLua.Core, HsLua.Core.Types |
| TypeBoolean | HsLua, HsLua.Core, HsLua.Core.Types |
| typeChecked | HsLua, HsLua.Marshalling |
| TypeFunction | HsLua, HsLua.Core, HsLua.Core.Types |
| TypeLightUserdata | HsLua, HsLua.Core, HsLua.Core.Types |
| typeMismatchMessage | HsLua, HsLua.Marshalling |
| typename | HsLua, HsLua.Core |
| TypeNil | HsLua, HsLua.Core, HsLua.Core.Types |
| TypeNone | HsLua, HsLua.Core, HsLua.Core.Types |
| TypeNumber | HsLua, HsLua.Core, HsLua.Core.Types |
| TypeString | HsLua, HsLua.Core, HsLua.Core.Types |
| TypeTable | HsLua, HsLua.Core, HsLua.Core.Types |
| TypeThread | HsLua, HsLua.Core, HsLua.Core.Types |
| TypeUserdata | HsLua, HsLua.Core, HsLua.Core.Types |