not

Synopsis:

(not expr)

Description:

Returns the logical negation of the expression expr. All the values different from nil are interpreted as true.

Example:

(not nil) --> 1

(not 15) --> nil

Contact: Fulvio Frapolli (fulvio . frapolli //at// unifr . ch), Amos Brocco (amos . brocco //at// unifr . ch)
* Remove spaces and replace //at// with @