Cleaner netdarray_t implementation.

netdarray.cc

@@ -21,12 +21,12 @@
 
 using namespace std;
 
-netdarray_t::netdarray_t(const std::list<netrange_t>&packed,
-			 ivl_variable_type_t type, unsigned long wid)
-: packed_dims_(packed), type_(type), width_(wid)
+netdarray_t::netdarray_t(netvector_t*vec)
+: elem_type_(vec)
 {
 }
 
 netdarray_t::~netdarray_t()
 {
+      delete elem_type_;
 }