removed double matching

Author: Vannevelj

crates/ide_assists/src/handlers/extract_variable.rs

@@ -52,10 +52,10 @@ pub(crate) fn extract_variable(acc: &mut Assists, ctx: &AssistContext) -> Option
         }
     }
 
-    let ref_kind = match get_receiver_type(&ctx, &to_extract) {
-        Some(receiver_type) if receiver_type.is_mutable_reference() => RefKind::MutRef,
-        Some(receiver_type) if receiver_type.is_reference() => RefKind::Ref,
-        _ => RefKind::None,
+    let reference_modifier = match get_receiver_type(&ctx, &to_extract) {
+        Some(receiver_type) if receiver_type.is_mutable_reference() => "&mut ",
+        Some(receiver_type) if receiver_type.is_reference() => "&",
+        _ => "",
     };
 
     let anchor = Anchor::from(&to_extract)?;
@@ -83,12 +83,6 @@ pub(crate) fn extract_variable(acc: &mut Assists, ctx: &AssistContext) -> Option
                 None => to_extract.syntax().text_range(),
             };
 
-            let reference_modifier = match ref_kind {
-                RefKind::MutRef => "&mut ",
-                RefKind::Ref => "&",
-                RefKind::None => "",
-            };
-
             match anchor {
                 Anchor::Before(_) | Anchor::Replace(_) => {
                     format_to!(buf, "let {} = {}", var_name, reference_modifier)
@@ -176,13 +170,6 @@ fn get_receiver(expression: ast::Expr) -> Option<ast::Expr> {
     }
 }
 
-#[derive(Debug)]
-enum RefKind {
-    Ref,
-    MutRef,
-    None,
-}
-
 #[derive(Debug)]
 enum Anchor {
     Before(SyntaxNode),