From: Jason Self Date: Sun, 2 Jun 2019 22:35:11 +0000 (-0700) Subject: Add Library constants X-Git-Url: https://jxself.org/git/?a=commitdiff_plain;h=0fa050c78301278308a5d2897cb9660a6db821c0;p=inform-resources.git Add Library constants --- diff --git a/inflibqr/inflibqr.md b/inflibqr/inflibqr.md index a5eaf7d..67fdb4e 100644 --- a/inflibqr/inflibqr.md +++ b/inflibqr/inflibqr.md @@ -40,4 +40,11 @@ Library objects variable, which usually refers to `selfobj`. `thedark` - A pseudo-room which becomes the `location` when there is -no light (although the player object is not moved there). \ No newline at end of file +no light (although the player object is not moved there). + +Library constants +----------------- + +In addition to the standard constants `true` (1), `false` (0) and +`nothing` (0), the Library defines `NULL` (-1) for an action, property +or pronoun whose current value is undefined. \ No newline at end of file