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体验新版 GitCode,发现更多精彩内容 >>
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96b151bd
编写于
7月 09, 2018
作者:
Z
Zack M. Davis
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差异文件
in which `use` suggestions meet edition 2018
The intent here is to resolve #52202.
上级
5b525916
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
55 addition
and
1 deletion
+55
-1
src/librustc_resolve/lib.rs
src/librustc_resolve/lib.rs
+12
-1
src/test/ui/rust-2018/issue-52202-use-suggestions.rs
src/test/ui/rust-2018/issue-52202-use-suggestions.rs
+23
-0
src/test/ui/rust-2018/issue-52202-use-suggestions.stderr
src/test/ui/rust-2018/issue-52202-use-suggestions.stderr
+20
-0
未找到文件。
src/librustc_resolve/lib.rs
浏览文件 @
96b151bd
...
...
@@ -4125,7 +4125,18 @@ fn lookup_import_candidates<FilterFn>(&mut self,
if
ident
.name
==
lookup_name
&&
ns
==
namespace
{
if
filter_fn
(
name_binding
.def
())
{
// create the path
let
mut
segms
=
path_segments
.clone
();
let
mut
segms
=
if
self
.session
.rust_2018
()
&&
!
in_module_is_extern
{
// crate-local absolute paths start with `crate::` in edition 2018
// FIXME: may also be stabilized for Rust 2015 (Issues #45477, #44660)
let
mut
full_segms
=
vec!
[
ast
::
PathSegment
::
from_ident
(
keywords
::
Crate
.ident
())
];
full_segms
.extend
(
path_segments
.clone
());
full_segms
}
else
{
path_segments
.clone
()
};
segms
.push
(
ast
::
PathSegment
::
from_ident
(
ident
));
let
path
=
Path
{
span
:
name_binding
.span
,
...
...
src/test/ui/rust-2018/issue-52202-use-suggestions.rs
0 → 100644
浏览文件 @
96b151bd
// Copyright 2018 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.
// compile-flags: --edition 2018
// The local `use` suggestion should start with `crate::` (but the
// standard-library suggestions should not, obviously).
mod
plumbing
{
pub
struct
Drain
;
}
fn
main
()
{
let
_
d
=
Drain
{};
//~^ ERROR cannot find struct, variant or union type `Drain` in this scope
}
src/test/ui/rust-2018/issue-52202-use-suggestions.stderr
0 → 100644
浏览文件 @
96b151bd
error[E0422]: cannot find struct, variant or union type `Drain` in this scope
--> $DIR/issue-52202-use-suggestions.rs:21:14
|
LL | let _d = Drain {};
| ^^^^^ not found in this scope
help: possible candidates are found in other modules, you can import them into scope
|
LL | use crate::plumbing::Drain;
|
LL | use std::collections::binary_heap::Drain;
|
LL | use std::collections::hash_map::Drain;
|
LL | use std::collections::hash_set::Drain;
|
and 3 other candidates
error: aborting due to previous error
For more information about this error, try `rustc --explain E0422`.
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