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08188c3c
编写于
8月 06, 2017
作者:
G
Guillaume Gomez
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电子邮件补丁
差异文件
Add missing error code for private method
上级
be69520b
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
80 addition
and
2 deletion
+80
-2
src/librustc_typeck/check/method/suggest.rs
src/librustc_typeck/check/method/suggest.rs
+2
-2
src/librustc_typeck/diagnostics.rs
src/librustc_typeck/diagnostics.rs
+56
-0
src/test/compile-fail/E0624.rs
src/test/compile-fail/E0624.rs
+22
-0
未找到文件。
src/librustc_typeck/check/method/suggest.rs
浏览文件 @
08188c3c
...
...
@@ -312,8 +312,8 @@ pub fn report_method_error(&self,
}
MethodError
::
PrivateMatch
(
def
)
=>
{
let
msg
=
format!
(
"{} `{}` is private"
,
def
.kind_name
(),
item_name
);
self
.tcx.sess
.span_err
(
span
,
&
msg
);
struct_span_err!
(
self
.tcx.sess
,
span
,
E0624
,
"{} `{}` is private"
,
def
.kind_name
(),
item_name
)
.emit
(
);
}
MethodError
::
IllegalSizedBound
(
candidates
)
=>
{
...
...
src/librustc_typeck/diagnostics.rs
浏览文件 @
08188c3c
...
...
@@ -4644,6 +4644,62 @@ fn i_am_a_function() {}
error, just declare a function.
"##
,
E0624
:
r##"
A private item was used outside of its scope.
Erroneous code example:
```compile_fail,E0624
mod inner {
pub struct Foo;
impl Foo {
fn method(&self) {}
}
}
let foo = inner::Foo;
foo.method(); // error: method `method` is private
```
Two possibilities are available to solve this issue:
1. Only use the item in the scope it has been defined:
```
mod inner {
pub struct Foo;
impl Foo {
fn method(&self) {}
}
pub fn call_method(foo: &Foo) { // We create a public function.
foo.method(); // Which calls the item.
}
}
let foo = inner::Foo;
inner::call_method(&foo); // And since the function is public, we can call the
// method through it.
```
2. Make the item public:
```
mod inner {
pub struct Foo;
impl Foo {
pub fn method(&self) {} // It's now public.
}
}
let foo = inner::Foo;
foo.method(); // Ok!
```
"##
,
}
register_diagnostics!
{
...
...
src/test/compile-fail/E0624.rs
0 → 100644
浏览文件 @
08188c3c
// Copyright 2017 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.
mod
inner
{
pub
struct
Foo
;
impl
Foo
{
fn
method
(
&
self
)
{}
}
}
fn
main
()
{
let
foo
=
inner
::
Foo
;
foo
.method
();
//~ ERROR method `method` is private [E0624]
}
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