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Add test for #49919 #62578

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Jul 13, 2019
Merged

Add test for #49919 #62578

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7 changes: 7 additions & 0 deletions src/test/ui/issues/issue-49919.rs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
fn foo<'a, T: 'a>(t: T) -> Box<dyn Fn() -> &'a T + 'a> {
let foo: Box<dyn for <'c> Fn() -> &'c T> = Box::new(move || &t);
//~^ ERROR: binding for associated type
unimplemented!()
}

fn main() {}
9 changes: 9 additions & 0 deletions src/test/ui/issues/issue-49919.stderr
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Original file line number Diff line number Diff line change
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error[E0582]: binding for associated type `Output` references lifetime `'c`, which does not appear in the trait input types
--> $DIR/issue-49919.rs:2:39
|
LL | let foo: Box<dyn for <'c> Fn() -> &'c T> = Box::new(move || &t);
| ^^^^^

error: aborting due to previous error

For more information about this error, try `rustc --explain E0582`.