Index - L
| L | Data.BinaryTree.Zipper | 
| labelWithIndex | Control.CanAquire | 
| last | Data.LSeq | 
| Leaf | Data.BinaryTree | 
| LeafNode | Data.Tree.Util | 
| leaveOutOne | Data.List.Util | 
| left | Data.BinaryTree.Zipper | 
| leftElements | Data.CircularSeq | 
| leftFace | Data.PlanarGraph.Dual, Data.PlanarGraph | 
| levels | Data.Tree.Util | 
| liftCmp | Data.OrdSeq | 
| liftOrd1 | Data.DynamicOrd | 
| llist | |
| 1 (Function) | Data.IndexedDoublyLinkedList.Bare | 
| 2 (Function) | Data.IndexedDoublyLinkedList | 
| Loc | Data.BinaryTree.Zipper | 
| lookupBy | Data.OrdSeq | 
| lookupIdx | Data.Permutation | 
| lookupMax | Data.OrdSeq | 
| lookupMin | Data.OrdSeq | 
| Lossy | Data.RealNumber.Rational | 
| lower | Data.Range | 
| LSeq | Data.LSeq |