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5878b5ed
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5878b5ed
编写于
6月 13, 2014
作者:
C
Cameron Zwarich
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电子邮件补丁
差异文件
Add new tests for uses of mutably borrowed paths
上级
d7de4e9a
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
150 addition
and
0 deletion
+150
-0
src/test/compile-fail/borrowck-use-mut-borrow.rs
src/test/compile-fail/borrowck-use-mut-borrow.rs
+93
-0
src/test/run-pass/borrowck-use-mut-borrow.rs
src/test/run-pass/borrowck-use-mut-borrow.rs
+57
-0
未找到文件。
src/test/compile-fail/borrowck-use-mut-borrow.rs
0 → 100644
浏览文件 @
5878b5ed
// Copyright 2014 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.
struct
A
{
a
:
int
,
b
:
int
}
struct
B
{
a
:
int
,
b
:
Box
<
int
>
}
fn
var_copy_after_var_borrow
()
{
let
mut
x
:
int
=
1
;
let
p
=
&
mut
x
;
drop
(
x
);
//~ ERROR cannot use `x` because it was mutably borrowed
*
p
=
2
;
}
fn
var_copy_after_field_borrow
()
{
let
mut
x
=
A
{
a
:
1
,
b
:
2
};
let
p
=
&
mut
x
.a
;
drop
(
x
);
//~ ERROR cannot use `x` because it was mutably borrowed
*
p
=
3
;
}
fn
field_copy_after_var_borrow
()
{
let
mut
x
=
A
{
a
:
1
,
b
:
2
};
let
p
=
&
mut
x
;
drop
(
x
.a
);
//~ ERROR cannot use `x.a` because it was mutably borrowed
p
.a
=
3
;
}
fn
field_copy_after_field_borrow
()
{
let
mut
x
=
A
{
a
:
1
,
b
:
2
};
let
p
=
&
mut
x
.a
;
drop
(
x
.a
);
//~ ERROR cannot use `x.a` because it was mutably borrowed
*
p
=
3
;
}
fn
fu_field_copy_after_var_borrow
()
{
let
mut
x
=
A
{
a
:
1
,
b
:
2
};
let
p
=
&
mut
x
;
let
y
=
A
{
b
:
3
,
..
x
};
//~ ERROR cannot use `x.a` because it was mutably borrowed
drop
(
y
);
p
.a
=
4
;
}
fn
fu_field_copy_after_field_borrow
()
{
let
mut
x
=
A
{
a
:
1
,
b
:
2
};
let
p
=
&
mut
x
.a
;
let
y
=
A
{
b
:
3
,
..
x
};
//~ ERROR cannot use `x.a` because it was mutably borrowed
drop
(
y
);
*
p
=
4
;
}
fn
var_deref_after_var_borrow
()
{
let
mut
x
:
Box
<
int
>
=
box
1
;
let
p
=
&
mut
x
;
drop
(
*
x
);
//~ ERROR cannot use `*x` because it was mutably borrowed
**
p
=
2
;
}
fn
field_deref_after_var_borrow
()
{
let
mut
x
=
B
{
a
:
1
,
b
:
box
2
};
let
p
=
&
mut
x
;
drop
(
*
x
.b
);
//~ ERROR cannot use `*x.b` because it was mutably borrowed
p
.a
=
3
;
}
fn
field_deref_after_field_borrow
()
{
let
mut
x
=
B
{
a
:
1
,
b
:
box
2
};
let
p
=
&
mut
x
.b
;
drop
(
*
x
.b
);
//~ ERROR cannot use `*x.b` because it was mutably borrowed
**
p
=
3
;
}
fn
main
()
{
var_copy_after_var_borrow
();
var_copy_after_field_borrow
();
field_copy_after_var_borrow
();
field_copy_after_field_borrow
();
fu_field_copy_after_var_borrow
();
fu_field_copy_after_field_borrow
();
var_deref_after_var_borrow
();
field_deref_after_var_borrow
();
field_deref_after_field_borrow
();
}
src/test/run-pass/borrowck-use-mut-borrow.rs
0 → 100644
浏览文件 @
5878b5ed
// Copyright 2014 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.
struct
A
{
a
:
int
,
b
:
Box
<
int
>
}
fn
field_copy_after_field_borrow
()
{
let
mut
x
=
A
{
a
:
1
,
b
:
box
2
};
let
p
=
&
mut
x
.b
;
drop
(
x
.a
);
**
p
=
3
;
}
fn
fu_field_copy_after_field_borrow
()
{
let
mut
x
=
A
{
a
:
1
,
b
:
box
2
};
let
p
=
&
mut
x
.b
;
let
y
=
A
{
b
:
box
3
,
..
x
};
drop
(
y
);
**
p
=
4
;
}
fn
field_deref_after_field_borrow
()
{
let
mut
x
=
A
{
a
:
1
,
b
:
box
2
};
let
p
=
&
mut
x
.a
;
drop
(
*
x
.b
);
*
p
=
3
;
}
fn
field_move_after_field_borrow
()
{
let
mut
x
=
A
{
a
:
1
,
b
:
box
2
};
let
p
=
&
mut
x
.a
;
drop
(
x
.b
);
*
p
=
3
;
}
fn
fu_field_move_after_field_borrow
()
{
let
mut
x
=
A
{
a
:
1
,
b
:
box
2
};
let
p
=
&
mut
x
.a
;
let
y
=
A
{
a
:
3
,
..
x
};
drop
(
y
);
*
p
=
4
;
}
fn
main
()
{
field_copy_after_field_borrow
();
fu_field_copy_after_field_borrow
();
field_deref_after_field_borrow
();
field_move_after_field_borrow
();
fu_field_move_after_field_borrow
();
}
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