has_asp: Has Aspects

In devOpifex/g2r: Interactive Grammar of Graphics

Description

Check whether the list contains aspects. This is because functions to select or retrieve aspects return lists of length 0 when none are found.

Usage

has_asp(asp)

Examples

## Not run: 
has_asp(asp())
has_asp(asp(dist))

## End(Not run)

devOpifex/g2r documentation built on Jan. 16, 2022, 12:36 a.m.