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-rw-r--r--crates/hir_ty/src/diagnostics/pattern/deconstruct_pat.rs9
1 files changed, 7 insertions, 2 deletions
diff --git a/crates/hir_ty/src/diagnostics/pattern/deconstruct_pat.rs b/crates/hir_ty/src/diagnostics/pattern/deconstruct_pat.rs
index 393d99997..d3513c406 100644
--- a/crates/hir_ty/src/diagnostics/pattern/deconstruct_pat.rs
+++ b/crates/hir_ty/src/diagnostics/pattern/deconstruct_pat.rs
@@ -811,8 +811,13 @@ impl Fields {
811 pats: impl IntoIterator<Item = Pat>, 811 pats: impl IntoIterator<Item = Pat>,
812 ) -> Self { 812 ) -> Self {
813 let pats = { 813 let pats = {
814 let mut arena = cx.pattern_arena.borrow_mut(); 814 let tys: SmallVec<[Ty; 2]> = match self {
815 pats.into_iter().map(move |pat| /* arena.alloc(pat) */ todo!()).collect() 815 Fields::Vec(pats) => pats.iter().copied().map(|pat| cx.type_of(pat)).collect(),
816 };
817 pats.into_iter()
818 .zip(tys.into_iter())
819 .map(move |(pat, ty)| cx.alloc_pat(pat, &ty))
820 .collect()
816 }; 821 };
817 822
818 match self { 823 match self {