BOOLEAN data types

This page documents the preview (v2.21) version. Preview includes features under active development and is for development and testing only. For production, use the stable (v2024.1) version.

Synopsis

The BOOLEAN data type represents three different states: TRUE, FALSE, or NULL.

Description

type_specification ::= { BOOLEAN | BOOL }
literal ::= { TRUE | true | 't' | 'y' | 'yes' | 'on' | 1 |
              FALSE | false | 'f' | 'n' | 'no' | 'off' | 0 }