| Title: | Check if an 'externalptr' is a Null Pointer |
| Version: | 1.0.2 |
| Description: | Check if an 'externalptr' is a null pointer. R does currently not have a native function for that purpose. This package contains a C function that returns TRUE in case of a null pointer. |
| Depends: | R (≥ 3.0) |
| License: | GPL-3 |
| Encoding: | UTF-8 |
| RoxygenNote: | 7.3.2 |
| NeedsCompilation: | yes |
| Packaged: | 2024-07-07 18:16:39 UTC; jonas |
| Author: | Jonas Förster [aut, cre] |
| Maintainer: | Jonas Förster <jonasfoerster@gmail.com> |
| Repository: | CRAN |
| Date/Publication: | 2024-07-11 18:00:02 UTC |
Check if an 'externalptr' is a null pointer
Description
isnullptr checks if an object of type 'externalptr' is a null pointer.
Usage
isnullptr(pointer)
Arguments
pointer |
object of type 'externalptr' |
Value
TRUE if null pointer, FALSE otherwise
Examples
isnullptr(new("externalptr"))
isnullptr("any_data")