remove unreachable branch in increment_s_ptr (#575)

2020-06-03 22:05:46 -06:00
parent 1d44d99875
commit 24f11b5ae9
1 changed files with 1 additions and 2 deletions
--- a/src/prolog/machine/machine_state_impl.rs
+++ b/src/prolog/machine/machine_state_impl.rs
@@ -689,7 +689,7 @@ impl MachineState {
            &mut HeapPtr::PStrChar(h, ref mut n) |
            &mut HeapPtr::PStrLocation(h, ref mut n) => {
                match &self.heap[h] {
-                    HeapCellValue::PartialString(ref pstr, _) => {
+                    &HeapCellValue::PartialString(ref pstr, _) => {
                        for c in pstr.range_from(*n ..).take(rhs) {
                            *n += c.len_utf8();
                        }
@@ -697,7 +697,6 @@ impl MachineState {
                        self.s = HeapPtr::PStrLocation(h, *n);
                    }
                    _ => {
-                        unreachable!()
                    }
                }
            }