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Contents
module RDF::N3::Algebra::List
##
# Iff the subject is a list and the object is the last thing that list, then this is true. The object can be calculated as a function of the list.
#
# @example
# { ( 1 2 3 4 5 6 ) list:length 6 } => { :test1 a :SUCCESS }.
#
# The object can be calculated as a function of the list.
class Length < RDF::N3::Algebra::ListOperator
NAME = :listLength
URI = RDF::N3::List.length
##
# Resolves this operator using the given variable `bindings`.
# If the last operand is a variable, it creates a solution for each element in the list.
#
# @param [RDF::N3::List] list
# @return [RDF::Term]
# @see RDF::N3::ListOperator#evaluate
def resolve(list)
RDF::Literal(list.length)
end
end
end
Version data entries
4 entries across 4 versions & 1 rubygems