add streams.rs, consume them in place of the old PrologStream

2020-03-09 11:56:16 -06:00
parent 23e833c69e
commit 25babff827
17 changed files with 491 additions and 143 deletions
--- a/src/prolog/heap_iter.rs
+++ b/src/prolog/heap_iter.rs
@@ -72,7 +72,7 @@ impl<'a> HCPreOrderIterator<'a> {

                Addr::Con(Constant::String(n, s))
            }
-            Addr::Con(_) | Addr::DBRef(_) => {
+            Addr::Con(_) | Addr::DBRef(_) | Addr::Stream(_) => {
                da
            }
            Addr::Lis(a) => {