..

src/prolog/io.rs

@@ -306,16 +306,14 @@ pub fn print(wam: &mut Machine, result: EvalSession) {
         EvalSession::InitialQuerySuccess(alloc_locs, mut heap_locs) => {
             print!("true");
 
-            if heap_locs.is_empty() {
             if !wam.or_stack_is_empty() {
                 print!(" ");
             }
 
             println!(".");
 
+            if heap_locs.is_empty() {
                 return;
-            } else {
-                println!("");
             }
 
             loop {