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-rw-r--r--crates/ra_hir_ty/src/infer/pat.rs9
1 files changed, 7 insertions, 2 deletions
diff --git a/crates/ra_hir_ty/src/infer/pat.rs b/crates/ra_hir_ty/src/infer/pat.rs
index 23de2bd6b..4dd4f9802 100644
--- a/crates/ra_hir_ty/src/infer/pat.rs
+++ b/crates/ra_hir_ty/src/infer/pat.rs
@@ -184,7 +184,7 @@ impl<'a> InferenceContext<'a> {
184 self.write_pat_ty(pat, bound_ty); 184 self.write_pat_ty(pat, bound_ty);
185 return inner_ty; 185 return inner_ty;
186 } 186 }
187 Pat::Slice { prefix, slice: _slice, suffix } => { 187 Pat::Slice { prefix, slice, suffix } => {
188 let (container_ty, elem_ty) = match &expected { 188 let (container_ty, elem_ty) = match &expected {
189 ty_app!(TypeCtor::Array, st) => (TypeCtor::Array, st.as_single().clone()), 189 ty_app!(TypeCtor::Array, st) => (TypeCtor::Array, st.as_single().clone()),
190 ty_app!(TypeCtor::Slice, st) => (TypeCtor::Slice, st.as_single().clone()), 190 ty_app!(TypeCtor::Slice, st) => (TypeCtor::Slice, st.as_single().clone()),
@@ -195,7 +195,12 @@ impl<'a> InferenceContext<'a> {
195 self.infer_pat(*pat_id, &elem_ty, default_bm); 195 self.infer_pat(*pat_id, &elem_ty, default_bm);
196 } 196 }
197 197
198 Ty::apply_one(container_ty, elem_ty) 198 let pat_ty = Ty::apply_one(container_ty, elem_ty);
199 if let Some(slice_pat_id) = slice {
200 self.infer_pat(*slice_pat_id, &pat_ty, default_bm);
201 }
202
203 pat_ty
199 } 204 }
200 Pat::Wild => expected.clone(), 205 Pat::Wild => expected.clone(),
201 Pat::Range { start, end } => { 206 Pat::Range { start, end } => {