Unset.h

Classes

Unset -- Test for and represent a Glish unset value. (full description)

class Unset

Interface

Public Members
static Bool isUnset(const GlishRecord& record)
static GlishRecord unsetRecord()

Description

or

Review Status

Date Reviewed:
yyyy/mm/dd

Prerequisite

Etymology

This corresponds to an unset value in Glish.

Synopsis

To allow unset values to cross the C++-Glish interface, we introduce a record that is unlikely to be used. The form is [i_am_unset="i_am_unset"].

Example

Motivation

To Do

Member Description

static Bool isUnset(const GlishRecord& record)

static GlishRecord unsetRecord()