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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, or the symbol :none

Description

function is the function whose arguments are required

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

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

LispWorks User Guide and Reference Manual - 20 Sep 2017

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