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Update tyvar.rs

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This commit is contained in:
Shunsuke Shibayama 2022-12-27 16:11:50 +09:00
parent d6b0d13dc1
commit 929f777960
1 changed files with 15 additions and 10 deletions
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25
compiler/erg_compiler/context/tyvar.rs
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@ -657,22 +657,27 @@ impl Context {
super_exists
}
fn check_trait_impl(
&self,
class: &Type,
trait_: &Type,
loc: Location,
) -> SingleTyCheckResult<()> {
fn check_trait_impl(&self, class: &Type, trait_: &Type, loc: Location) -> TyCheckResult<()> {
if !self.trait_impl_exists(class, trait_) {
Err(TyCheckError::no_trait_impl_error(
let class = if cfg!(feature = "debug") {
class.clone()
} else {
self.deref_tyvar(class.clone(), Variance::Covariant, loc)?
};
let trait_ = if cfg!(feature = "debug") {
trait_.clone()
} else {
self.deref_tyvar(trait_.clone(), Variance::Covariant, loc)?
};
Err(TyCheckErrors::from(TyCheckError::no_trait_impl_error(
self.cfg.input.clone(),
line!() as usize,
class,
trait_,
&class,
&trait_,
loc,
self.caused_by(),
None,
))
)))
} else {
Ok(())
}