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seen_recursion_pair is immutable

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Ayaz Hafiz 2023-05-02 15:17:59 -05:00
parent 4824de5192
commit 5815807927
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2
crates/compiler/unify/src/unify.rs
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@ -370,7 +370,7 @@ impl<'a> Env<'a> {
debug_assert!(size_after < size_before, "nothing was removed");
}
fn seen_recursion_pair(&mut self, var1: Variable, var2: Variable) -> bool {
fn seen_recursion_pair(&self, var1: Variable, var2: Variable) -> bool {
let (var1, var2) = (
self.subs.get_root_key_without_compacting(var1),
self.subs.get_root_key_without_compacting(var2),