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fix: type-instantiating bugs

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This commit is contained in:
Shunsuke Shibayama 2023-03-23 21:17:37 +09:00
parent 8bb91cfe11
commit 4ff0b64fc3
8 changed files with 357 additions and 219 deletions
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8
crates/erg_compiler/context/unify.rs
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@ -968,13 +968,17 @@ impl Context {
(_, Type::RefMut { before, .. }) => self.sub_unify(maybe_sub, before, loc, param_name),
(_, Type::Proj { lhs, rhs }) => {
if let Ok(evaled) = self.eval_proj(*lhs.clone(), rhs.clone(), self.level, loc) {
self.sub_unify(maybe_sub, &evaled, loc, param_name)?;
if maybe_sup != &evaled {
self.sub_unify(maybe_sub, &evaled, loc, param_name)?;
}
}
Ok(())
}
(Type::Proj { lhs, rhs }, _) => {
if let Ok(evaled) = self.eval_proj(*lhs.clone(), rhs.clone(), self.level, loc) {
self.sub_unify(&evaled, maybe_sup, loc, param_name)?;
if maybe_sub != &evaled {
self.sub_unify(&evaled, maybe_sup, loc, param_name)?;
}
}
Ok(())
}