From: Christian Bauer <Christian.Bauer@uni-mainz.de>
Date: Wed, 13 Aug 2003 18:35:31 +0000 (+0000)
Subject: lst(0) now works as expected
X-Git-Tag: release_1-2-0~149
X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?a=commitdiff_plain;h=b3283b8904fbc9617cb6293791c7a653e255ebbe;p=ginac.git

lst(0) now works as expected
---

diff --git a/ginac/container.h b/ginac/container.h
index 88ccd6a0..a6dea4a6 100644
--- a/ginac/container.h
+++ b/ginac/container.h
@@ -95,9 +95,13 @@ public:
 
 	explicit container(STLT * vp) : inherited(get_tinfo())
 	{
-		GINAC_ASSERT(vp);
-		this->seq.swap(*vp);
-		delete vp;
+		if (vp == 0) {
+			// lst(0) ends up here
+			this->seq.push_back(0);
+		} else {
+			this->seq.swap(*vp);
+			delete vp;
+		}
 	}
 
 	container(exvector::const_iterator b, exvector::const_iterator e)