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Contents
# encoding: utf-8
module Enumerable
# Checks whether #all? collection elements are #kind_of? module
# supplied as an argument
#
def all_kind_of?( kind )
all? {|e| e.kind_of? kind }
end
# Checks whether #all? collection elements are #kind_of? Numeric.
#
def all_numeric?
all? {|e| e.kind_of? Numeric }
end
# Checks whether the receiver collection is fully included in the
# collection supplied as an argument.
#
def subset_of?( other_collection )
all? {|e| other_collection.include? e }
end
alias :⊂? :subset_of?
# Checks whether the receiver collection contains every element of
# the collection supplied as an argument.
#
def superset_of?( other_collection )
other.all? {|e| self.include? e }
end
alias :⊃? :superset_of?
end
Version data entries
11 entries across 11 versions & 1 rubygems