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(elisp)Lambda Expressions

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Lambda Expressions

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

     (lambda (ARG-VARIABLES...)

Such a list is called a "lambda expression".  In Emacs Lisp, it
actually is valid as an expression--it evaluates to itself.  In some
other Lisp dialects, a lambda expression is not a valid expression at
all.  In either case, its main use is not to be evaluated as an
expression, but to be called as a function.

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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