# Module `Common.To_and_of_shared`

```ocaml
type 'a t = 'a to_and_of
```
```ocaml
val of_string : 'a to_and_of -> string -> 'a
```
```ocaml
val to_string : 'a to_and_of -> 'a -> string
```
```ocaml
val to_and_of : 'a -> 'a
```