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  ANSI Common Lisp   4 Types and Classes   4.4 Dictionary of Types and Classes

4.4.19 not Type Specifier

Compound Type Specifier Kind:
Combining.

Compound Type Specifier Syntax:
(not typespec)

Compound Type Specifier Arguments:
typespec - a type specifier.

Compound Type Specifier Description:
This denotes the set of all objects that are not of the type typespec.

The argument is required, and cannot be *.

The symbol not is not valid as a type specifier.

Allegro CL Implementation Details:
None.

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