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ANSI Common Lisp  4 Types and Classes 4.4 Dictionary of Types and Classes
| 4.4.5 generic-function |
System Class |
- Class Precedence List:
-
generic-function,
function,
t
- Description:
-
A generic function is a function whose behavior
depends on the classes or identities of the arguments
supplied to it. A generic function object contains a set of
methods, a lambda list, a method combination type,
and other information. The methods
define the class-specific behavior and operations of the generic function;
a method is said to specialize a generic function.
When invoked, a generic function executes a subset of its
methods based on the classes or identities of its arguments.
A generic function can be used in the same ways that an
ordinary function can be used; specifically, a generic function can
be used as an argument to funcall and apply,
and can be given a global or a local name.
- Allegro CL Implementation Details:
-
None.
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