Index - I
| Illumination | Data.PuzzleTypes |
| illumination | |
| 1 (Function) | Parse.PuzzleTypes |
| 2 (Function) | Draw.PuzzleTypes |
| impossible | Parse.Util |
| IntClue | Data.Elements |
| interleave | Draw.Lib |
| IntString | |
| 1 (Type/Class) | Parse.Util |
| 2 (Data Constructor) | Parse.Util |
| invertMap | Draw.Elements |
| irregularGridPaths | Draw.Grid |