is.empty: Tests whether an object is empty.

In peterhurford/checkr: Automatically Test R Functions

Description

Empty items are NULL, NA, or nothing (length 0).

Usage

is.empty(obj)

is_empty(obj)

Arguments

obj	ANY. The object to test.

Value

a boolean whether or not the object is empty.

Examples

  is.empty(NULL)
  is.empty(NA)
  is.empty(list(NULL, NA))
  is.empty(list())
  is.empty(c())
  is.empty(data.frame())
  is.empty("")
  is.empty(data.frame())

peterhurford/checkr documentation built on May 25, 2019, 1:50 a.m.