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Contents
module Foobara
module Callback
class Set
attr_accessor :callbacks
def initialize(callback_hash = {})
self.callbacks = {}
callback_hash.each do |type, blocks|
send("#{type}=", blocks.dup)
end
end
foobara_delegate :size, to: :callbacks
def union(set)
unioned = Set.new(callbacks)
set.callbacks.each_pair do |type, blocks|
next if blocks.empty?
unioned_blocks = unioned[type]
blocks.each { |block| unioned_blocks << block }
end
unioned
end
def |(other)
union(other)
end
def [](type)
send(type)
end
Block.types.each do |type|
define_method type do
callbacks[type] ||= []
end
define_method "#{type}=" do |blocks|
callbacks[type] ||= blocks
end
define_method "each_#{type}" do |&block|
send(type).each(&block)
end
define_method "has_#{type}_callbacks?" do
!send(type).empty?
end
end
end
end
end
Version data entries
26 entries across 26 versions & 1 rubygems