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nit: don't import Debug directly

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This commit is contained in:
Niko Matsakis 2018-06-27 06:01:19 -04:00
parent e98d376e6f
commit 188ad384a3
1 changed files with 3 additions and 3 deletions
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6
src/librustc/ty/context.rs
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@ -64,7 +64,7 @@ use std::borrow::Borrow;
use std::cmp::Ordering;
use std::collections::hash_map::{self, Entry};
use std::hash::{Hash, Hasher};
use std::fmt::Debug;
use std::fmt;
use std::mem;
use std::ops::Deref;
use std::iter;
@ -1504,8 +1504,8 @@ impl<'gcx: 'tcx, 'tcx> GlobalCtxt<'gcx> {
/// contain the TypeVariants key or if the address of the interned
/// pointer differs. The latter case is possible if a primitive type,
/// e.g. `()` or `u8`, was interned in a different context.
pub trait Lift<'tcx>: Debug {
type Lifted: Debug + 'tcx;
pub trait Lift<'tcx>: fmt::Debug {
type Lifted: fmt::Debug + 'tcx;
fn lift_to_tcx<'a, 'gcx>(&self, tcx: TyCtxt<'a, 'gcx, 'tcx>) -> Option<Self::Lifted>;
}