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chore: improve type inference system

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This commit is contained in:
Shunsuke Shibayama 2023-10-18 16:46:06 +09:00
parent d0bae66450
commit 06898bd793
11 changed files with 332 additions and 43 deletions
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2
crates/erg_compiler/context/unify.rs
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@ -774,6 +774,7 @@ impl<'c, 'l, 'u, L: Locational> Unifier<'c, 'l, 'u, L> {
for (lps, rps) in lsub.typarams().iter().zip(rsub.typarams().iter()) {
self.sub_unify_tp(lps, rps, None, false).map_err(|errs| {
sup_fv.undo();
sub_fv.undo();
errs
})?;
}
@ -784,6 +785,7 @@ impl<'c, 'l, 'u, L: Locational> Unifier<'c, 'l, 'u, L> {
for (lps, rps) in lsup.typarams().iter().zip(rsup.typarams().iter()) {
self.sub_unify_tp(lps, rps, None, false).map_err(|errs| {
sup_fv.undo();
sub_fv.undo();
errs
})?;
}