From 07a704e31cf74deb28a15859b5adfe65ed709bf4 Mon Sep 17 00:00:00 2001
From: Jonas Schievink <jonasschievink@gmail.com>
Date: Sat, 12 Sep 2020 21:18:57 +0200
Subject: Implement box pattern inference

---
 crates/hir_def/src/body/lower.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'crates/hir_def/src/body')

diff --git a/crates/hir_def/src/body/lower.rs b/crates/hir_def/src/body/lower.rs
index 30ac12a12..9ea3d5291 100644
--- a/crates/hir_def/src/body/lower.rs
+++ b/crates/hir_def/src/body/lower.rs
@@ -835,8 +835,12 @@ impl ExprCollector<'_> {
 
                 Pat::Missing
             }
+            ast::Pat::BoxPat(boxpat) => {
+                let inner = self.collect_pat_opt(boxpat.pat());
+                Pat::Box { inner }
+            }
             // FIXME: implement
-            ast::Pat::BoxPat(_) | ast::Pat::RangePat(_) | ast::Pat::MacroPat(_) => Pat::Missing,
+            ast::Pat::RangePat(_) | ast::Pat::MacroPat(_) => Pat::Missing,
         };
         let ptr = AstPtr::new(&pat);
         self.alloc_pat(pattern, Either::Left(ptr))
-- 
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