Function Entry: VL-CONSP

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Function Entry: VL-CONSP

Name

vl-consp

Class

Visual LISP Predicate

Syntax

(vl-consp obj)

Arguments and Values

  • obj: any AutoLISP value

Description

Tests whether obj is a non-nil list/cons-like structure under Visual LISP semantics.

Return Values

  • T if obj is a cons-like list structure
  • nil otherwise

Side Effects

None.

Availability

  • AutoCAD 2026: documented (per Autodesk reference page).
  • BricsCAD V26: presumed compatible (no contradicting page found).
  • Status: AutoCAD documented; BricsCAD presumed-both pending Phase 4 verification.