Boolean color set

The Boolean values are true and false.

Declaration syntax

colset name = bool [with (new_false, new_true)];

Order

false before true

Optional with clause

Renames the values; that is, defines the identifiers representing true and false. The new value names must be identifiers.

Declaration examples

colset B = bool;

colset Answer = bool with (no, yes);

Boolean operations

• not b: negation of the Boolean value b
• b1 andalso b2: Boolean conjunction, and
• b1 orelse b2: Boolean disjunction (i.e., inclusive or)

See also color set functions.