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chore: fill missing arms

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This commit is contained in:
Shunsuke Shibayama 2024-02-25 11:20:11 +09:00
parent c74513f507
commit ac80cbba87
6 changed files with 73 additions and 5 deletions
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5
crates/erg_compiler/context/unify.rs
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@ -1093,6 +1093,11 @@ impl<'c, 'l, 'u, L: Locational> Unifier<'c, 'l, 'u, L> {
// * sub_unify({0}, ?T(:> {1}, <: Nat)): (?T(:> {0, 1}, <: Nat))
// * sub_unify(Bool, ?T(<: Bool or Y)): (?T == Bool)
// * sub_unify(Float, ?T(<: Structural{ .imag = ?U })) ==> ?U == Float
if let Type::Refinement(refine) = maybe_sub {
if refine.t.addr_eq(maybe_sup) {
return Ok(());
}
}
if let Some((sub, mut sup)) = sup_fv.get_subsup() {
if sup.is_structural() || !sup.is_recursive() {
self.sub_unify(maybe_sub, &sup)?;