minor: Use placeholders in unwrap_return_type

Author: Giga-Bowser

crates/ide-assists/src/handlers/unwrap_return_type.rs

@@ -147,7 +147,14 @@ pub(crate) fn unwrap_return_type(acc: &mut Assists, ctx: &AssistContext<'_>) ->
                         continue;
                     }
 
-                    editor.replace(path_expr.syntax(), make.expr_unit().syntax());
+                    let new_tail_expr = make.expr_unit();
+                    editor.replace(path_expr.syntax(), new_tail_expr.syntax());
+                    if let Some(cap) = ctx.config.snippet_cap {
+                        editor.add_annotation(
+                            new_tail_expr.syntax(),
+                            builder.make_placeholder_snippet(cap),
+                        );
+                    }
                 }
                 _ => (),
             }
@@ -302,7 +309,42 @@ fn foo() -> i32 {
     if true {
         42
     } else {
-        ()
+        ${0:()}
+    }
+}
+"#,
+            "Unwrap Option return type",
+        );
+    }
+
+    #[test]
+    fn unwrap_option_return_type_multi_none() {
+        check_assist_by_label(
+            unwrap_return_type,
+            r#"
+//- minicore: option
+fn foo() -> Option<i3$02> {
+    if false {
+        return None;
+    }
+
+    if true {
+        Some(42)
+    } else {
+        None
+    }
+}
+"#,
+            r#"
+fn foo() -> i32 {
+    if false {
+        return ${1:()};
+    }
+
+    if true {
+        42
+    } else {
+        ${0:()}
     }
 }
 "#,