use crate::ast;
use crate::ptr::P;
-use crate::symbol::kw;
use crate::tokenstream::TokenTree;
-use rustc_span::symbol::Symbol;
-use rustc_span::{self, Span, DUMMY_SP};
-
use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
use rustc_data_structures::sync::Lrc;
use rustc_macros::HashStable_Generic;
+use rustc_span::symbol::kw;
+use rustc_span::symbol::Symbol;
+use rustc_span::{self, Span, DUMMY_SP};
use std::fmt;
use std::mem;