Sha256: ec37538de2f75d2d1a2433fdab4a5893ad22f01e886b675e03e17e0ba4963b41
Contents?: true
Size: 378 Bytes
Versions: 7
Compression:
Stored size: 378 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.
def accumulate
@_accumulate ||= Functor.new do |op, *args|
inject([]) { |a, x| a << x.send(op, *args) }.flatten
end
end
end
Version data entries
7 entries across 7 versions & 2 rubygems