File tree 1 file changed +43
-0
lines changed
1 file changed +43
-0
lines changed Original file line number Diff line number Diff line change
1
+ // Copyright 2013 The Rust Project Developers. See the COPYRIGHT
2
+ // file at the top-level directory of this distribution and at
3
+ // http://rust-lang.org/COPYRIGHT.
4
+ //
5
+ // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6
+ // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7
+ // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8
+ // option. This file may not be copied, modified, or distributed
9
+ // except according to those terms.
10
+
11
+ extern mod extra;
12
+ use extra:: rc:: RcMut ;
13
+
14
+ trait Foo
15
+ {
16
+ fn set ( & mut self , v : RcMut < A > ) ;
17
+ }
18
+
19
+ struct B
20
+ {
21
+ v : Option < RcMut < A > >
22
+ }
23
+
24
+ impl Foo for B
25
+ {
26
+ fn set ( & mut self , v : RcMut < A > )
27
+ {
28
+ self . v = Some ( v) ;
29
+ }
30
+ }
31
+
32
+ struct A
33
+ {
34
+ v : ~Foo ,
35
+ }
36
+
37
+ fn main ( )
38
+ {
39
+ let a = A { v : ~B { v : None } as ~Foo } ; //~ ERROR cannot pack type `~B`, which does not fulfill `Send`
40
+ let v = RcMut :: from_freeze ( a) ; //~ ERROR instantiating a type parameter with an incompatible type
41
+ let w = v. clone ( ) ;
42
+ v. with_mut_borrow ( |p| { p. v . set ( w. clone ( ) ) ; } )
43
+ }
You can’t perform that action at this time.
0 commit comments