predicate-attributes {arkhe} | R Documentation |
Attributes Predicates
Description
-
has_length()
checks how long is an object. -
is_empty()
checks is an object is empty (any zero-length dimensions).
Usage
has_length(x, n = NULL)
is_empty(x)
Arguments
x |
A |
n |
A length-one |
Value
A logical
scalar.
See Also
Other predicates:
is_scalar
,
predicate-data
,
predicate-matrix
,
predicate-names
,
predicate-numeric
,
predicate-trend
,
predicate-type
[Package arkhe version 1.9.0 Index]