waiver: A waiver object.

View source: R/utilities.R

waiverR Documentation

A waiver object.

Description

A waiver is a "flag" object, similar to NULL, that indicates the calling function should just use the default value. It is used in certain functions to distinguish between displaying nothing (NULL) and displaying a default value calculated elsewhere (waiver()). is_waiver() reports whether an object is a waiver.

Usage

waiver()

is_waiver(x)

Arguments

x

An object to test


hadley/ggplot2 documentation built on June 13, 2025, 12:51 a.m.