module Unit: sig .. endUnit values.
type t = unit =
| |
() |
The unit type.
The constructor () is included here so that it has a path,
but it is not intended to be used in user-defined data types.
let equal: (t, t) => bool;
equal u1 u2 is true.
let compare: (t, t) => int;
compare u1 u2 is 0.
let to_string: t => string;
to_string b is "()".