is.null.externalptr: Determine whether an externalptr object is NULL.

View source: R/util.R

is.null.externalptrR Documentation

Determine whether an externalptr object is NULL.

Description

The pointer is treated as an externalptr and checked via a call in C to see if it is NULL.

Usage

is.null.externalptr(pointer)

Arguments

pointer

externalptr to be checked for NULL value

Value

logical TRUE if the pointer is NULL, otherwise FALSE


redland documentation built on May 31, 2023, 6:32 p.m.