Module `Binary_searchable.Which_target_by_key`

type t = [

| `Last_strictly_less_than
(*
```
| < elt X |                      
```
*)
| `Last_less_than_or_equal_to
(*
```
|      <= elt       X |          
```
*)
| `Last_equal_to
(*
```
          |   = elt X |          
```
*)
| `First_equal_to
(*
```
          | X = elt   |          
```
*)
| `First_greater_than_or_equal_to
(*
```
          | X       >= elt      |
```
*)
| `First_strictly_greater_than
(*
```
                      | X > elt |
```
*)

]

val all : t list