adding compile-fail test

This commit is contained in:
gaurikholkar 2017-06-29 14:13:53 -07:00
parent 5be4fa864a
commit 4abcf28d2b
2 changed files with 3 additions and 33 deletions

View File

@ -8,6 +8,7 @@
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// FIXME - This test gives different results on different machines.
fn invoke<'a, F>(x: &'a i32, f: F) -> &'a i32
where F: FnOnce(&'a i32, &i32) -> &'a i32
{
@ -15,10 +16,8 @@ fn invoke<'a, F>(x: &'a i32, f: F) -> &'a i32
f(x, &y)
}
fn foo<'a>(x: &'a i32) {
fn foo<'a>(x: &'a i32) { //~ ERROR E0495
invoke(&x, |a, b| if a > b { a } else { b });
}
fn main() {
}
fn main() {}

View File

@ -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)