Inline parameters in inline_call if possible

crates/syntax/src/ast/edit_in_place.rs

@@ -431,6 +431,12 @@ impl ast::RecordExprFieldList {
     }
 }
 
+impl ast::BlockExpr {
+    pub fn push_front(&self, statement: ast::Stmt) {
+        ted::insert(Position::after(self.l_curly_token().unwrap()), statement.syntax());
+    }
+}
+
 fn normalize_ws_between_braces(node: &SyntaxNode) -> Option<()> {
     let l = node
         .children_with_tokens()

crates/syntax/src/ast/node_ext.rs

@@ -641,6 +641,15 @@ impl ast::SlicePat {
     }
 }
 
+impl ast::IdentPat {
+    pub fn is_simple_ident(&self) -> bool {
+        self.at_token().is_none()
+            && self.mut_token().is_none()
+            && self.ref_token().is_none()
+            && self.pat().is_none()
+    }
+}
+
 #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
 pub enum SelfParamKind {
     /// self