delegate, n
1. A person sent or deputed to act for or represent another or
others; one entrusted with authority or power to be exercised on
behalf of those by whom he is appointed; a deputy, commissioner.
delegation, n of action
1. The action of delegating or fact of being delegated;
appointment or commission of a person as a delegate or
representative; the entrusting of authority to a delegate.
-- Oxford English Dictionary, 2nd edn
Delegation is a mechanism that allows
objects to delegate responsibility
for performing an operation or finding a value to one or more
designated 'ancestors'.
-- Wegner, 1987a
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