Index: tests/collections/vector-demo.cfa
===================================================================
--- tests/collections/vector-demo.cfa	(revision d144c2637d83f22ae526a50bd0bfd7c561f6c92b)
+++ tests/collections/vector-demo.cfa	(revision 5dbb9f36168739115ffb0f4932c588b157430644)
@@ -143,5 +143,5 @@
     assert( v`capacity >  5 && v`length == 5 );
 
-    v[2] = -0.1;  // v is [0.0, 98.6, -0.1, 0.2, 0.3]; iter at -0.1, where only the new memory had that change
+    v[2] = -0.1f;  // v is [0.0, 98.6, -0.1, 0.2, 0.3]; iter at -0.1, where only the new memory had that change
 
     float val3 = iter`val;