*gensym-counter* (ANSI and GNU Common Lisp Document)

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#### 10.2.8 *gensym-counter* [Variable]

#### Value Type::

a non-negative integer.

#### Initial Value::

implementation-dependent.

#### Description::

A number which will be used in constructing the name of the next symbol generated by the function gensym.

*gensym-counter* can be either assigned or bound at any time, but its value must always be a non-negative integer.

#### Affected By::

gensym.

#### See Also::

gensym

#### Notes::

The ability to pass a numeric argument to gensym has been deprecated; explicitly binding *gensym-counter* is now stylistically preferred.