Index - I
| id | Prelude |
| illegalOperationErrorType | MarshalError |
| imagPart | Complex |
| index | Ix, Array |
| indices | Array |
| init | Prelude, List |
| inits | List |
| inRange | Ix, Array |
| insert | List |
| insertBy | List |
| Int | Prelude, Int |
| Int16 | Int |
| Int32 | Int |
| Int64 | Int |
| Int8 | Int |
| Integer | Prelude |
| Integral | Prelude |
| interact | Prelude, IO |
| intersect | List |
| intersectBy | List |
| intersperse | List |
| IntPtr | Ptr |
| intPtrToPtr | Ptr |
| intToDigit | Char |
| IO | Prelude, IO |
| ioeGetErrorString | IO |
| ioeGetFileName | IO |
| ioeGetHandle | IO |
| IOError | Prelude, IO |
| ioError | Prelude, IO |
| IOErrorType | MarshalError |
| IOMode | IO |
| isAlpha | Char |
| isAlphaNum | Char |
| isAlreadyExistsError | IO |
| isAlreadyInUseError | IO |
| isAscii | Char |
| isControl | Char |
| isDenormalized | Prelude |
| isDigit | Char |
| isDoesNotExistError | IO |
| isEOF | IO |
| isEOFError | IO |
| isFullError | IO |
| isHexDigit | Char |
| isIEEE | Prelude |
| isIllegalOperation | IO |
| isInfinite | Prelude |
| isJust | Maybe |
| isLatin1 | Char |
| isLower | Char |
| isNaN | Prelude |
| isNegativeZero | Prelude |
| isNothing | Maybe |
| isOctDigit | Char |
| isPermissionError | IO |
| isPrefixOf | List |
| isPrint | Char |
| isSigned | Bits |
| isSpace | Char |
| isSuffixOf | List |
| isUpper | Char |
| isUserError | IO |
| isValidErrno | CError, CForeign |
| iterate | Prelude, List |
| Ix | Ix, Array |
| ixmap | Array |