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implement ListElisionPolicy to restore previous printer behavior

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Mark
2023-09-30 16:00:15 -06:00
parent 25afc11168
commit 62c23166fa
9 changed files with 134 additions and 98 deletions
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4
src/machine/unify.rs
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@@ -1,6 +1,6 @@
use crate::arena::*;
use crate::forms::*;
use crate::heap_iter::stackful_preorder_iter;
use crate::heap_iter::{NonListElider, stackful_preorder_iter};
use crate::machine::machine_state::*;
use crate::machine::partial_string::*;
use crate::machine::*;
@@ -717,7 +717,7 @@ fn bind_with_occurs_check<U: Unifier>(unifier: &mut U, r: Ref, value: HeapCellVa
if !value.is_constant() {
let machine_st: &mut MachineState = unifier.deref_mut();
for cell in stackful_preorder_iter(&mut machine_st.heap, &mut machine_st.stack, value) {
for cell in stackful_preorder_iter::<NonListElider>(&mut machine_st.heap, &mut machine_st.stack, value) {
let cell = unmark_cell_bits!(cell);
if let Some(inner_r) = cell.as_var() {