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1 | // Copyright 2012 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 | // revisions: angle paren ok elision | |
12 | ||
13 | #![allow(dead_code)] | |
14 | #![feature(rustc_attrs)] | |
15 | #![feature(unboxed_closures)] | |
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16 | |
17 | trait Foo { | |
18 | type Item; | |
19 | } | |
20 | ||
21 | #[cfg(angle)] | |
22 | fn angle<T: for<'a> Foo<Item=&'a i32>>() { | |
23 | //[angle]~^ ERROR binding for associated type `Item` references lifetime `'a` | |
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24 | } |
25 | ||
26 | #[cfg(angle)] | |
27 | fn angle1<T>() where T: for<'a> Foo<Item=&'a i32> { | |
28 | //[angle]~^ ERROR binding for associated type `Item` references lifetime `'a` | |
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29 | } |
30 | ||
31 | #[cfg(angle)] | |
32 | fn angle2<T>() where for<'a> T: Foo<Item=&'a i32> { | |
33 | //[angle]~^ ERROR binding for associated type `Item` references lifetime `'a` | |
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34 | } |
35 | ||
36 | #[cfg(angle)] | |
37 | fn angle3(_: &for<'a> Foo<Item=&'a i32>) { | |
38 | //[angle]~^ ERROR binding for associated type `Item` references lifetime `'a` | |
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39 | } |
40 | ||
41 | #[cfg(paren)] | |
42 | fn paren<T: for<'a> Fn() -> &'a i32>() { | |
43 | //[paren]~^ ERROR binding for associated type `Output` references lifetime `'a` | |
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44 | } |
45 | ||
46 | #[cfg(paren)] | |
47 | fn paren1<T>() where T: for<'a> Fn() -> &'a i32 { | |
48 | //[paren]~^ ERROR binding for associated type `Output` references lifetime `'a` | |
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49 | } |
50 | ||
51 | #[cfg(paren)] | |
52 | fn paren2<T>() where for<'a> T: Fn() -> &'a i32 { | |
53 | //[paren]~^ ERROR binding for associated type `Output` references lifetime `'a` | |
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54 | } |
55 | ||
56 | #[cfg(paren)] | |
57 | fn paren3(_: &for<'a> Fn() -> &'a i32) { | |
58 | //[paren]~^ ERROR binding for associated type `Output` references lifetime `'a` | |
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59 | } |
60 | ||
61 | #[cfg(elision)] | |
62 | fn elision<T: Fn() -> &i32>() { | |
63 | //[elision]~^ ERROR E0106 | |
64 | } | |
65 | ||
66 | struct Parameterized<'a> { x: &'a str } | |
67 | ||
68 | #[cfg(ok)] | |
69 | fn ok1<T: for<'a> Fn(&Parameterized<'a>) -> &'a i32>() { | |
70 | } | |
71 | ||
72 | #[cfg(ok)] | |
73 | fn ok2<T: for<'a,'b> Fn<(&'b Parameterized<'a>,), Output=&'a i32>>() { | |
74 | } | |
75 | ||
76 | #[cfg(ok)] | |
77 | fn ok3<T>() where for<'a> Parameterized<'a>: Foo<Item=&'a i32> { | |
78 | } | |
79 | ||
80 | #[rustc_error] | |
81 | fn main() { } //[ok]~ ERROR compilation successful |