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fix: record type subtyping

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This commit is contained in:
Shunsuke Shibayama 2023-08-19 23:20:35 +09:00
parent 95595ef67c
commit 6ce41ef8bd
5 changed files with 19 additions and 3 deletions
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6
crates/erg_compiler/context/instantiate_spec.rs
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@ -550,15 +550,14 @@ impl Context {
return Ok(t);
}
}
if let Some(decl_t) = opt_decl_t {
return Ok(decl_t.typ().clone());
}
if let Some((typ, _)) = self.get_type(ident.inspect()) {
Ok(typ.clone())
} else if not_found_is_qvar {
let tyvar = named_free_var(Str::rc(other), self.level, Constraint::Uninited);
tmp_tv_cache.push_or_init_tyvar(&ident.name, &tyvar, self);
Ok(tyvar)
} else if let Some(decl_t) = opt_decl_t {
Ok(decl_t.typ().clone())
} else {
Err(TyCheckErrors::from(TyCheckError::no_type_error(
self.cfg.input.clone(),
@ -1375,6 +1374,7 @@ impl Context {
}
}
// FIXME: opt_decl_t must be disassembled for each polymorphic type
pub(crate) fn instantiate_typespec_full(
&self,
t_spec: &TypeSpec,