use crate::enums::unify_result::UnifyResult;
use crate::functions::follow_type::follow_type_id;
use crate::records::intersection_type::IntersectionType;
use crate::records::unifier_2::Unifier2;
use crate::type_aliases::type_id::TypeId;
impl Unifier2 {
pub fn unify_intersection_type_type_id(
&mut self,
sub_intersection: &IntersectionType,
super_ty: TypeId,
) -> UnifyResult {
let super_ty = unsafe { follow_type_id(super_ty) };
for &sub_option in sub_intersection.parts.iter() {
let followed_sub_option = unsafe { follow_type_id(sub_option) };
if super_ty == followed_sub_option {
return UnifyResult::Ok;
}
}
let mut result = UnifyResult::Ok;
for sub_part in sub_intersection.parts.iter() {
result &= self.unify_type_id_type_id(*sub_part, super_ty);
}
result
}
}