From 5648dce61108e9c5059f390a1c9b28a68ce0b439 Mon Sep 17 00:00:00 2001
From: Robert Vollmert <rvollmert@gmx.net>
Date: Tue, 24 Nov 2009 09:40:16 +0100
Subject: Add ternary logic type maybe_bool.

---
 crawl-ref/source/enum.h | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'crawl-ref/source/enum.h')

diff --git a/crawl-ref/source/enum.h b/crawl-ref/source/enum.h
index c970478866..d14fd76c9a 100644
--- a/crawl-ref/source/enum.h
+++ b/crawl-ref/source/enum.h
@@ -3167,6 +3167,13 @@ enum montravel_target_type
     MTRAV_KNOWN_UNREACHABLE // As above, and the player knows this.
 };
 
+enum maybe_bool
+{
+    B_FALSE,
+    B_MAYBE,
+    B_TRUE
+};
+
 #ifdef USE_TILE
 enum screen_mode
 {
-- 
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