| +! | Hat.Array |
| +!! | Hat.PreludeBasic, Hat.Prelude, Hat.List, Hat.Data.List |
| +$ | Hat.PreludeBasic, Hat.Prelude |
| +$! | Hat.PreludeBasic, Hat.Prelude |
| +% | Hat.PreludeBasic, Hat.Ratio |
| +&& | Hat.PreludeBasic, Hat.Prelude |
| +++ | Hat.PreludeBasic, Hat.Prelude, Hat.List, Hat.Data.List |
| +. | Hat.PreludeBasic, Hat.Prelude |
| +// | Hat.Array |
| +:% | Hat.PreludeBasic |
| +:+ | Hat.Complex |
| +=<< | Hat.PreludeBasic, Hat.Prelude, Hat.Monad, Hat.Control.Monad |
| +>=> | Hat.Control.Monad |
| +^ | Hat.PreludeBasic, Hat.Prelude |
| +^^ | Hat.PreludeBasic, Hat.Prelude |
| +|| | Hat.PreludeBasic, Hat.Prelude |