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Add chalk_ir::Const to TyKind::Array

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This commit is contained in:
Lukas Wirth 2021-04-06 11:45:41 +02:00
parent 047b531301
commit 9fbba7bc45
12 changed files with 109 additions and 45 deletions
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4
crates/hir_ty/src/method_resolution.rs
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@ -842,7 +842,9 @@ fn autoderef_method_receiver(
) -> Vec<Canonical<Ty>> {
let mut deref_chain: Vec<_> = autoderef::autoderef(db, Some(krate), ty).collect();
// As a last step, we can do array unsizing (that's the only unsizing that rustc does for method receivers!)
if let Some(TyKind::Array(parameters)) = deref_chain.last().map(|ty| ty.value.kind(&Interner)) {
if let Some(TyKind::Array(parameters, _)) =
deref_chain.last().map(|ty| ty.value.kind(&Interner))
{
let kinds = deref_chain.last().unwrap().binders.clone();
let unsized_ty = TyKind::Slice(parameters.clone()).intern(&Interner);
deref_chain.push(Canonical { value: unsized_ty, binders: kinds })