1 // Copyright 2015 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.
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.
11 // Issue 8142: Test that Drop impls cannot be specialized beyond the
12 // predicates attached to the struct/enum definition itself.
14 #![feature(unsafe_destructor)]
16 trait Bound { fn foo(&self) { }
}
17 struct K
<'l1
,'l2
> { x: &'l1 i8, y: &'l2 u8 }
18 struct L
<'l1
,'l2
> { x: &'l1 i8, y: &'l2 u8 }
19 struct M
<'m
> { x: &'m i8 }
20 struct N
<'n
> { x: &'n i8 }
21 struct O
<To
> { x: *const To }
22 struct P
<Tp
> { x: *const Tp }
23 struct Q
<Tq
> { x: *const Tq }
24 struct R
<Tr
> { x: *const Tr }
25 struct S
<Ts
:Bound
> { x: *const Ts }
26 struct T
<'t
,Ts
:'t
> { x: &'t Ts }
28 struct V
<Tva
, Tvb
> { x: *const Tva, y: *const Tvb }
29 struct W
<'l1
, 'l2
> { x: &'l1 i8, y: &'l2 u8 }
32 impl<'al
,'adds_bnd
:'al
> Drop
for K
<'al
,'adds_bnd
> { // REJECT
33 //~^ ERROR The requirement `'adds_bnd : 'al` is added only by the Drop impl.
34 fn drop(&mut self) { }
}
37 impl<'al
,'adds_bnd
> Drop
for L
<'al
,'adds_bnd
> where 'adds_bnd
:'al
{ // REJECT
38 //~^ ERROR The requirement `'adds_bnd : 'al` is added only by the Drop impl.
39 fn drop(&mut self) { }
}
42 impl<'ml
> Drop
for M
<'ml
> { fn drop(&mut self) { }
} // ACCEPT
45 impl Drop
for N
<'
static> { fn drop(&mut self) { }
} // REJECT
46 //~^ ERROR Implementations of Drop cannot be specialized
49 impl<Cok_nobound
> Drop
for O
<Cok_nobound
> { fn drop(&mut self) { }
} // ACCEPT
52 impl Drop
for P
<i8> { fn drop(&mut self) { }
} // REJECT
53 //~^ ERROR Implementations of Drop cannot be specialized
56 impl<Adds_bnd
:Bound
> Drop
for Q
<Adds_bnd
> { fn drop(&mut self) { }
} // REJECT
57 //~^ ERROR The requirement `Adds_bnd : Bound` is added only by the Drop impl.
60 impl<'rbnd
,Adds_rbnd
:'rbnd
> Drop
for R
<Adds_rbnd
> { fn drop(&mut self) { }
} // REJECT
61 //~^ ERROR The requirement `Adds_rbnd : 'rbnd` is added only by the Drop impl.
64 impl<Bs
:Bound
> Drop
for S
<Bs
> { fn drop(&mut self) { }
} // ACCEPT
67 impl<'t
,Bt
:'t
> Drop
for T
<'t
,Bt
> { fn drop(&mut self) { }
} // ACCEPT
69 impl Drop
for U { fn drop(&mut self) { }
} // ACCEPT
72 impl<One
> Drop
for V
<One
,One
> { fn drop(&mut self) { }
} // REJECT
73 //~^ERROR Implementations of Drop cannot be specialized
76 impl<'lw
> Drop
for W
<'lw
,'lw
> { fn drop(&mut self) { }
} // REJECT
77 //~^ERROR Implementations of Drop cannot be specialized