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adding compile-fail test

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gaurikholkar 2017-06-29 14:13:53 -07:00
parent 5be4fa864a
commit 4abcf28d2b
2 changed files with 3 additions and 33 deletions
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24
src/test/ui/lifetime-errors/ex1-return-one-existing-name-if-else-using-closure.rs
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@ -1,24 +0,0 @@
// Copyright 2016 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.
fn invoke<'a, F>(x: &'a i32, f: F) -> &'a i32
where F: FnOnce(&'a i32, &i32) -> &'a i32
{
let y = 22;
f(x, &y)
}
fn foo<'a>(x: &'a i32) {
invoke(&x, |a, b| if a > b { a } else { b });
}
fn main() {
}

29
src/test/ui/lifetime-errors/ex1-return-one-existing-name-if-else-using-closure.stderr
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@ -1,29 +0,0 @@
error[E0495]: cannot infer an appropriate lifetime for lifetime parameter `'a` due to conflicting requirements
--> $DIR/ex1-return-one-existing-name-if-else-using-closure.rs:19:5
|
19 | invoke(&x, |a, b| if a > b { a } else { b });
| ^^^^^^
|
note: first, the lifetime cannot outlive the anonymous lifetime #2 defined on the body at 19:16...
--> $DIR/ex1-return-one-existing-name-if-else-using-closure.rs:19:16
|
19 | invoke(&x, |a, b| if a > b { a } else { b });
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
note: ...so that reference does not outlive borrowed content
--> $DIR/ex1-return-one-existing-name-if-else-using-closure.rs:19:45
|
19 | invoke(&x, |a, b| if a > b { a } else { b });
| ^
note: but, the lifetime must be valid for the expression at 19:5...
--> $DIR/ex1-return-one-existing-name-if-else-using-closure.rs:19:5
|
19 | invoke(&x, |a, b| if a > b { a } else { b });
| ^^^^^^
note: ...so that a type/lifetime parameter is in scope here
--> $DIR/ex1-return-one-existing-name-if-else-using-closure.rs:19:5
|
19 | invoke(&x, |a, b| if a > b { a } else { b });
| ^^^^^^
error: aborting due to previous error(s)