signature BOOL structure Bool : BOOL
An extended version of the Standard ML Basis' Bool structure.
The type bool and its constructors, as well as the function not are available in the top-level environment.
See also: ORDERED
Imported implicitly.
signature BOOL = sig datatype bool = false | true type t = bool val equal : bool * bool -> bool val compare : bool * bool -> order val not : bool -> bool val toString : bool -> string val fromString : string -> bool option val scan : (char,'a) StringCvt.reader -> (bool,'a) StringCvt.reader end
Items not described here are as in the Standard ML Basis' Bool structure.
A local synonym for type bool.
An explicit equality function on bools. Equivalent to op=.
An ordering function on bools. It defines false < true.