arkhe (version 0.2.2)

predicate-utils: Utility Predicates

Description

is_empty checks if a vector or list is empty.

Usage

is_empty(x)
is_named(x)
is_uuid(x)

Arguments

x

An object to be tested.

Value

A logical scalar.

Details

is_named checks if an object is named.

is_uuid checks if a string is a canonically formatted UUID that is Version 1 through 5 and is the appropriate Variant as per RFC4122.

See Also

Other predicates: predicate-graph, predicate-matrix, predicate-numeric, predicate-scalar, predicate-trend, predicate-type