Function SET

Syntax:

set symbol value => value

Arguments and Values:

symbol---a symbol.

value---an object.

Description:

set changes the contents of the value cell of symbol to the given value.

```(set symbol value) ==  (setf (symbol-value symbol) value)
```

Examples:

``` (setf (symbol-value 'n) 1) =>  1
(set 'n 2) =>  2
(symbol-value 'n) =>  2
(let ((n 3))
(declare (special n))
(setq n (+ n 1))
(setf (symbol-value 'n) (* n 10))
(set 'n (+ (symbol-value 'n) n))
n) =>  80
n =>  2
(let ((n 3))
(setq n (+ n 1))
(setf (symbol-value 'n) (* n 10))
(set 'n (+ (symbol-value 'n) n))
n) =>  4
n =>  44
(defvar *n* 2)
(let ((*n* 3))
(setq *n* (+ *n* 1))
(setf (symbol-value '*n*) (* *n* 10))
(set '*n* (+ (symbol-value '*n*) *n*))
*n*) =>  80
*n* =>  2
(defvar *even-count* 0) =>  *EVEN-COUNT*
(defvar *odd-count* 0) =>  *ODD-COUNT*
(defun tally-list (list)
(dolist (element list)
(set (if (evenp element) '*even-count* '*odd-count*)
(+ element (if (evenp element) *even-count* *odd-count*)))))
(tally-list '(1 9 4 3 2 7)) =>  NIL
*even-count* =>  6
*odd-count* =>  20
```

Side Effects:

The value of symbol is changed.

Affected By: None.

Exceptional Situations: None.