(lispref.info)Lambda Expressions


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Lambda Expressions
==================

   A function written in Lisp is a list that looks like this:

     (lambda (ARG-VARIABLES...)
       [DOCUMENTATION-STRING]
       [INTERACTIVE-DECLARATION]
       BODY-FORMS...)

(Such a list is called a "lambda expression" for historical reasons,
even though it is not really an expression at all--it is not a form
that can be evaluated meaningfully.)

* Lambda Components
The parts of a lambda expression.
* Simple Lambda
A simple example.
* Argument List
Details and special features of argument lists.
* Function Documentation
How to put documentation in a function.

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