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fix: misuse forced_undoable_link

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Shunsuke Shibayama 2023-04-07 23:45:10 +09:00
parent 54db53bc02
commit a484f0ff9a
3 changed files with 16 additions and 10 deletions
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2
crates/erg_compiler/context/unify.rs
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@ -751,7 +751,7 @@ impl Context {
let (rsub, rsup) = sup_fv.get_subsup().unwrap();
// ?T(<: Add(?T))
// ?U(:> {1, 2}, <: Add(?U)) ==> {1, 2}
sup_fv.forced_undoable_link(&rsub);
sup_fv.dummy_link();
if lsub.qual_name() == rsub.qual_name() {
for (lps, rps) in lsub.typarams().iter().zip(rsub.typarams().iter()) {
self.sub_unify_tp(lps, rps, None, loc, false)