new(orig)
public
Creates a weak reference to orig
# File lib/weakref.rb, line 51
def initialize(orig)
@__id = orig.object_id
ObjectSpace.define_finalizer orig, @@final
ObjectSpace.define_finalizer self, @@final
@@mutex.synchronize {
@@id_map[@__id] = [] unless @@id_map[@__id]
}
@@id_map[@__id].push self.object_id
@@id_rev_map[self.object_id] = @__id
super
end