-// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-use std::cmp::Ordering;
-
-use config::lists::*;
-use syntax::ast::{self, UseTreeKind};
-use syntax::source_map::{self, BytePos, Span, DUMMY_SP};
-
-use comment::combine_strs_with_missing_comments;
-use config::{Edition, IndentStyle};
-use lists::{definitive_tactic, itemize_list, write_list, ListFormatting, ListItem, Separator};
-use rewrite::{Rewrite, RewriteContext};
-use shape::Shape;
-use source_map::SpanUtils;
-use spanned::Spanned;
-use utils::{is_same_visibility, mk_sp, rewrite_ident};
-use visitor::FmtVisitor;
-