Index - E
| Each | Lawless | 
| each | Lawless | 
| echo | Machine | 
| Either | Lawless | 
| either | Lawless | 
| eitherA | Lawless | 
| eitherDecode | Aeson | 
| eitherDecode' | Aeson | 
| eitherDecodeStrict | Aeson | 
| eitherDecodeStrict' | Aeson | 
| elem | |
| 1 (Function) | Lawless | 
| 2 (Function) | ByteString | 
| element | Lawless | 
| elementOf | Lawless | 
| elements | Lawless | 
| elementsOf | Lawless | 
| elemIndex | ByteString | 
| elemIndexEnd | ByteString | 
| elemIndexOf | Lawless | 
| elemIndices | ByteString | 
| elemIndicesOf | Lawless | 
| elemOf | Lawless | 
| embed | IO.Base, STM.Base, STM | 
| embed_ | IO.Base, STM.Base, STM | 
| Empty | Lawless | 
| empty | |
| 1 (Function) | ByteString | 
| 2 (Function) | Text | 
| 3 (Function) | Lawless | 
| emptyArray | Aeson | 
| emptyFile | Path | 
| emptyObject | Aeson | 
| emptySchema | Aeson | 
| encased | Machine | 
| encode | |
| 1 (Function) | Aeson | 
| 2 (Function) | Networking | 
| encodeFloat | Lawless | 
| encodeUtf8 | Lawless | 
| encodeVC | Networking | 
| Encoding | Aeson | 
| endBy | Parser | 
| endBy1 | Parser | 
| endByNonEmpty | Parser | 
| Endo | |
| 1 (Data Constructor) | Lawless | 
| 2 (Type/Class) | Lawless | 
| Enum | Lawless | 
| enum | Lawless | 
| enumerateFromTo | Machine | 
| enumFrom | Lawless | 
| enumFromThen | Lawless | 
| enumFromThenTo | Lawless | 
| enumFromTo | Lawless | 
| environment | Environment | 
| EnvName | Environment | 
| EnvValue | Environment | 
| eof | Parser | 
| EOI | Boomerang | 
| EQ | Lawless | 
| Eq | Lawless | 
| eqT | Lawless | 
| equalFilePath | Path | 
| Equality | Lawless | 
| Equality' | Lawless | 
| Error | Aeson | 
| ErrorCall | |
| 1 (Data Constructor) | Lawless | 
| 2 (Type/Class) | Lawless | 
| ErrorCallWithLocation | Lawless | 
| ErrorCall_ | Exception | 
| ErrorMsg | Boomerang | 
| ErrorPosition | Boomerang | 
| evalState | Lawless | 
| evalStateT | Lawless | 
| evaluate | Lawless | 
| even | Lawless | 
| Except | Lawless | 
| Exception | |
| 1 (Type/Class) | Exception, Lawless | 
| 2 (Data Constructor) | Exception | 
| exception | Exception | 
| ExceptT | |
| 1 (Type/Class) | Lawless | 
| 2 (Data Constructor) | Lawless | 
| execState | Lawless | 
| execStateT | Lawless | 
| exhaust | Machine | 
| ExitCode | Lawless | 
| ExitFailure | Lawless | 
| exitFailure | Lawless | 
| ExitSuccess | Lawless | 
| exitSuccess | Lawless | 
| exitWith | Lawless | 
| exp | Lawless | 
| Expect | Boomerang | 
| expm1 | Lawless | 
| exponent | Lawless | 
| extSeparator | Path |