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new RObject from Nothing -- create an R NULL object

Usage:

RObject null
Inputs:
Outputs:
- a R object, R's NULL;

Description

Converts Macaulay2's null to R's NULL.

i1 : RObject null

o1 = NULL

o1 : RObject of type NULL

Note that the null coalescing operator ?? treats R's NULL as null.

i2 : (?? RObject null) === null

o2 = true

i3 : RObject null ?? RObject 5

o3 = [1] 5

o3 : RObject of type integer

See also

RObject -- R object
value(RObject) -- convert R object to Macaulay2

Ways to use this method:

new RObject from Nothing -- create an R NULL object

The source of this document is in RInterface/doc/objects.m2:155:0.