vl-remove-if-not

vl-remove-if

V Functions

vl-some

 

AutoLISP Reference Guide > AutoLISP Functions > V Functions > 

vl-remove-if-not

Returns all elements of the supplied list that pass the test function

(vl-remove-if-not  predicate-function list)

Arguments

predicate-function

The test function. This can be any function that accepts a single argument and returns T for any user-specified condition. The predicate-function value can take one of the following forms:

• A symbol (function name)
• '(LAMBDA (A1 A2) ...)
• (FUNCTION (LAMBDA (A1 A2) ...))

list

A list to be tested.

Return Values

A list containing all elements of list for which predicate-function returns a non-nil value

Examples

_$ (vl-remove-if-not 'vl-symbolp
(list pi t 0 "abc"))

(T)