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Common Lisp Extensions
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This document describes a set of Emacs Lisp facilities borrowed from
Common Lisp.  All the facilities are described here in detail; for more
discussion and examples, Guy L. Steele's `Common Lisp, the Language',
second edition, is the definitive book on Common Lisp.  While this
document does not assume any prior knowledge of Common Lisp, it does
assume a basic familiarity with Emacs Lisp.

Overview

Installation, usage, etc.

Program Structure

Arglists, `eval-when', `defalias'

Predicates

`typep', `eql', and `equalp'

Control Structure

`setf', `when', `do', `loop', etc.

Macros

Destructuring, `define-compiler-macro'

Declarations

`proclaim', `declare', etc.

Symbols

Property lists, `gensym'

Numbers

Predicates, functions, random numbers

Sequences

Mapping, functions, searching, sorting

Lists

`cadr', `sublis', `member*', `assoc*', etc.

Hash Tables

`make-hash-table', `gethash', etc.

Structures

`defstruct'

Assertions

`check-type', `assert', `ignore-errors'.

Efficiency Concerns

Hints and techniques

Common Lisp Compatibility

All known differences with Steele

Old CL Compatibility

All known differences with old cl.el

Porting Common Lisp

Hints for porting Common Lisp code

Function Index

Variable Index