Another bug found.

TODO

@@ -6,3 +6,4 @@ Below list contains things that should be changed/fixed/implemented.
 
 2. Some builtin functions like isset() seems to be useless, if variable is not defined, interpreter will throw an error.
 
+3. It is impossible to assign {1, 2, 3} to float[], because in fact we are trying to assign int[] to float[].