Index - L
| l2s | Air.Light, Air.Env, Air |
| Label | Air.Data.Record.SimpleLabel, Air.TH, Air |
| label | Air.Data.Record.SimpleLabel, Air.TH, Air |
| labeling | Air.Light, Air.Env, Air |
| label_by | Air.Light, Air.Env, Air |
| last | Air.Env, Air |
| lcm | Air.Env, Air |
| Left | Air.Env, Air |
| length | Air.Light, Air.Env, Air |
| lex | Air.Env, Air |
| lines | Air.Env, Air |
| list | Air.Control.Monad.ListBuilder, Air.Env, Air |
| list2 | Air.Light, Air.Env, Air |
| list3 | Air.Light, Air.Env, Air |
| ListBuilder | Air.Control.Monad.ListBuilder, Air.Env, Air |
| ljust | Air.Light, Air.Env, Air |
| log | Air.Env, Air |
| logBase | Air.Env, Air |
| lookup | Air.Env, Air |
| lower | Air.Light, Air.Env, Air |
| LT | Air.Env, Air |