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correct non-termination of expand_goal and expand_term

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Mark Thom
2018-12-15 00:04:56 -07:00
parent 47a1cfaddc
commit 2b774f3041
1 changed files with 1 additions and 1 deletions
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src/prolog/instructions.rs
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@@ -914,7 +914,7 @@ impl PartialOrd<CodePtr> for CodePtr {
impl PartialOrd<LocalCodePtr> for LocalCodePtr {
fn partial_cmp(&self, other: &LocalCodePtr) -> Option<Ordering> {
match (self, other) {
(&LocalCodePtr::InSituDirEntry(p1), &LocalCodePtr::DirEntry(ref p2))
(&LocalCodePtr::InSituDirEntry(p1), &LocalCodePtr::InSituDirEntry(ref p2))
| (&LocalCodePtr::DirEntry(p1), &LocalCodePtr::DirEntry(ref p2))
| (&LocalCodePtr::UserTermExpansion(p1), &LocalCodePtr::UserTermExpansion(ref p2))
| (&LocalCodePtr::UserGoalExpansion(p1), &LocalCodePtr::UserGoalExpansion(ref p2))