Index - D
| decode | Air.SimpleMath |
| decodeFloat | Air.Env, Air |
| def | Air.Data.Default, Air.Env, Air |
| Default | Air.Data.Default, Air.Env, Air |
| div | Air.Env, Air |
| divMod | Air.Env, Air |
| don't | Air.Light, Air.Env, Air |
| Double | Air.Env, Air |
| downto | Air.Light, Air.Env, Air |
| drop | Air.Light, Air.Env, Air |
| dropWhile | Air.Env, Air |