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Size: 628 Bytes
Versions: 15
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Stored size: 628 Bytes
Contents
module V8
module Util
module Weakcell
def weakcell(name, &block)
unless storage = instance_variable_get("@#{name}")
storage = instance_variable_set("@#{name}", Storage.new)
end
storage.access(&block)
end
class Storage
def access(&block)
if @ref
@ref.object || populate(block)
else
populate(block)
end
end
private
def populate(block)
occupant = block.call()
@ref = Ref::WeakReference.new(occupant)
return occupant
end
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems