function-lambda-list

function-lambda-list Function

Summary

Returns the argument list of the given function.

Package

lispworks

Signature

function-lambda-list function &optional error-p => args

Arguments

`function`⇩	A symbol or a function.
`error-p`⇩	A boolean.

Values

args

A list, :none or :dont-know.

Description

The function function-lambda-list returns the argument list of function if this is known or :dont-know otherwise.

If error-p is nil, then function-lambda-list returns :none if function is not defined. The default value of error-p is t, meaning that an error is signaled if function is undefined.

Examples

TEST 2 > (function-lambda-list 'editor:create-buffer-command) 
(EDITOR::P &OPTIONAL EDITOR:BUFFER-NAME)