language-servers/erg
1
0
Fork 0
mirror of https://github.com/erg-lang/erg.git synced 2025-10-02 21:44:34 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

fix: sub-unification bug

Browse source
This commit is contained in:
Shunsuke Shibayama 2024-09-26 12:12:51 +09:00
parent ab06244b2b
commit 0ce9a1a772
1 changed files with 4 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

5
crates/erg_compiler/context/unify.rs
View file

@ -1389,7 +1389,10 @@ impl<'c, 'l, 'u, L: Locational> Unifier<'c, 'l, 'u, L> {
self.sub_unify(maybe_sub, &sup)?; self.sub_unify(maybe_sub, &sup)?;
} }
let mut new_sub = self.ctx.union(maybe_sub, &sub); let mut new_sub = self.ctx.union(maybe_sub, &sub);
if maybe_sub.qual_name() == sub.qual_name() && new_sub.has_unbound_var() { if !sub.is_recursive()
&& maybe_sub.qual_name() == sub.qual_name()
&& new_sub.has_unbound_var()
{
let list = UndoableLinkedList::new(); let list = UndoableLinkedList::new();
if self if self
.ctx .ctx