package melange

The type of booleans (truth values).

The constructors false and true are included here so that they have paths, but they are not intended to be used in user-defined data types.

not b is the boolean negation of b.

e0 && e1 is the lazy boolean conjunction of expressions e0 and e1. If e0 evaluates to false, e1 is not evaluated. Right-associative operator at precedence level 3/11.

e0 || e1 is the lazy boolean disjunction of expressions e0 and e1. If e0 evaluates to true, e1 is not evaluated. Right-associative operator at precedence level 2/11.

equal b0 b1 is true if and only if b0 and b1 are both true or both false.

compare b0 b1 is a total order on boolean values. false is smaller than true.

to_int b is 0 if b is false and 1 if b is true.

to_float b is 0. if b is false and 1. if b is true.

to_string b is "true" if b is true and "false" if b is false.

A seeded hash function for booleans, with the same output value as Hashtbl.seeded_hash. This function allows this module to be passed as argument to the functor Hashtbl.MakeSeeded.

• since 5.1

An unseeded hash function for booleans, with the same output value as Hashtbl.hash. This function allows this module to be passed as argument to the functor Hashtbl.Make.

• since 5.1