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SketchyLISP
Reference
  Copyright (C) 2006
Nils M Holm

null?

Conformance: R5RS

Purpose: Check whether an expression is an empty list.

Arguments:
X - expression

Model:

(define (null? x)
  (eq? x '()))

Implementation:

; This function is a primitive function.

Example:

(null? '()) 
=> #t

See also:
list?.