Sha256: cbd2d7a0b660abaadad44eb2543398c4730a40c963d1c236c8ebadb7d50cbb3f
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Size: 823 Bytes
Versions: 26
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Stored size: 823 Bytes
Contents
module RDF
##
# @since 0.2.0
module Countable
extend RDF::Util::Aliasing::LateBound
##
# Returns `true` if `self` contains no RDF statements.
#
# @return [Boolean]
def empty?
empty = true
each { empty = false; break }
empty
end
##
# Returns the number of RDF statements in `self`.
#
# @return [Integer]
def count
count = 0
each { count += 1 }
count
end
alias_method :size, :count
##
# @private
# @param [Symbol, #to_sym] method
# @return [Enumerator]
# @see Object#enum_for
def enum_for(method = :each, *args)
# Ensure that enumerators support the `#empty?` and `#count` methods:
super.extend(RDF::Countable)
end
alias_method :to_enum, :enum_for
end # Countable
end # RDF
Version data entries
26 entries across 26 versions & 2 rubygems