Nyquist / XLISP 2.0  -  Contents | Tutorials | Examples | Reference

filep


Type:   -   Lisp function (closure)
Source:   -   xlinit.lsp

Syntax

(filep expr)
expr - an Lisp expression
returns -  T  if expr is of type FPTR, NIL otherwise

In Nyquist, 'filep' is implemented as a Lisp function:

(defun filep (x)
  (eq (type-of x) 'FPTR))

Description

The 'filep' function returns  T  if 'expr' is of type FPTR, NIL otherwise

Examples


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Nyquist / XLISP 2.0  -  Contents | Tutorials | Examples | Reference