From a1aa8212effd87cc04a912a23c46340c74070da9 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Sat, 27 Nov 2021 18:18:00 +0300
Subject: [PATCH] minor: if-let-else to shorter match

---
 crates/hir_def/src/item_tree.rs | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/crates/hir_def/src/item_tree.rs b/crates/hir_def/src/item_tree.rs
index 12fa34b73ab..db2398fbdee 100644
--- a/crates/hir_def/src/item_tree.rs
+++ b/crates/hir_def/src/item_tree.rs
@@ -105,15 +105,14 @@ pub struct ItemTree {
 impl ItemTree {
     pub(crate) fn file_item_tree_query(db: &dyn DefDatabase, file_id: HirFileId) -> Arc<ItemTree> {
         let _p = profile::span("item_tree_query").detail(|| format!("{:?}", file_id));
-        let syntax = if let Some(node) = db.parse_or_expand(file_id) {
-            if node.kind() == SyntaxKind::ERROR {
-                // FIXME: not 100% sure why these crop up, but return an empty tree to avoid a panic
-                return Default::default();
-            }
-            node
-        } else {
-            return Default::default();
+        let syntax = match db.parse_or_expand(file_id) {
+            Some(node) => node,
+            None => return Default::default(),
         };
+        if syntax.kind() == SyntaxKind::ERROR {
+            // FIXME: not 100% sure why these crop up, but return an empty tree to avoid a panic
+            return Default::default();
+        }
 
         let hygiene = Hygiene::new(db.upcast(), file_id);
         let ctx = lower::Ctx::new(db, hygiene.clone(), file_id);