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-rw-r--r--crates/ide-db/src/syntax_helpers/insert_whitespace_into_node.rs3
1 files changed, 3 insertions, 0 deletions
diff --git a/crates/ide-db/src/syntax_helpers/insert_whitespace_into_node.rs b/crates/ide-db/src/syntax_helpers/insert_whitespace_into_node.rs
index e389eaf0478..16e609b1a7e 100644
--- a/crates/ide-db/src/syntax_helpers/insert_whitespace_into_node.rs
+++ b/crates/ide-db/src/syntax_helpers/insert_whitespace_into_node.rs
@@ -88,6 +88,9 @@ pub fn insert_ws_into(syn: SyntaxNode) -> SyntaxNode {
             LIFETIME_IDENT if is_next(is_text, true) => {
                 mods.push(do_ws(after, tok));
             }
+            MUT_KW if is_next(|it| it == SELF_KW, false) => {
+                mods.push(do_ws(after, tok));
+            }
             AS_KW | DYN_KW | IMPL_KW | CONST_KW => {
                 mods.push(do_ws(after, tok));
             }