In certain systems for object-oriented programming
such as the Common Lisp Object System and
Dylan, a generic function
is an entity made up of all methods having the same name.
Generic functions correspond roughly to what Smalltalk
calls messages; but when a generic function is called,
method dispatch occurs on the basis of all arguments,
not just a single privileged one. See under multiple dispatch
for more.
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... galoshes unbuttoned so that they flapped as the wearer walks, the term was already doccumented as in use in the United Kingdom as early as 1912.
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