Sha256: 5800f17c9a2ba8e2925b307154443636d7fdf052e75149f14a62380f66f7bf73
Contents?: true
Size: 414 Bytes
Versions: 10
Compression:
Stored size: 414 Bytes
Contents
require 'facets/functor'
module Enumerable
# Accumulate a set of a set.
#
# For example, in an ORM design if Group
# has_many User then
#
# groups.accumulate.users
#
# will return a list of users from all groups.
#
# CREDIT: George Moshchovitis
def accumulate
@_accumulate ||= Functor.new do |op, *args|
inject([]) { |a, x| a << x.send(op, *args) }.flatten
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems