&mut self, name: &String, _scope_tree: &Rc<ScopeTree>, _borrow: &BorrowData<'tcx>,
drop_span: Span, borrow_span: Span, _proper_span: Span, end_span: Option<Span>
) {
- let mut err = self.tcx.path_does_not_live_long_enough(drop_span,
+ let mut err = self.tcx.path_does_not_live_long_enough(borrow_span,
&format!("`{}`", name),
Origin::Mir);
- err.span_label(borrow_span, "borrow occurs here");
+ err.span_label(borrow_span, "borrowed value does not live long enough");
err.span_label(drop_span, format!("`{}` dropped here while still borrowed", name));
if let Some(end) = end_span {
err.span_label(end, "borrowed value needs to live until here");
fn report_scoped_temporary_value_does_not_live_long_enough(
&mut self, _scope_tree: &Rc<ScopeTree>, _borrow: &BorrowData<'tcx>,
- drop_span: Span, borrow_span: Span, proper_span: Span, end_span: Option<Span>
+ drop_span: Span, _borrow_span: Span, proper_span: Span, end_span: Option<Span>
) {
- let mut err = self.tcx.path_does_not_live_long_enough(borrow_span,
+ let mut err = self.tcx.path_does_not_live_long_enough(proper_span,
"borrowed value",
Origin::Mir);
- err.span_label(proper_span, "temporary value created here");
+ err.span_label(proper_span, "temporary value does not live long enough");
err.span_label(drop_span, "temporary value dropped here while still borrowed");
err.note("consider using a `let` binding to increase its lifetime");
if let Some(end) = end_span {
let mut err = self.tcx.path_does_not_live_long_enough(borrow_span,
&format!("`{}`", name),
Origin::Mir);
- err.span_label(borrow_span, "does not live long enough");
+ err.span_label(borrow_span, "borrowed value does not live long enough");
err.span_label(drop_span, "borrowed value only lives until here");
self.tcx.note_and_explain_region(scope_tree, &mut err,
"borrowed value must be valid for ",
let mut err = self.tcx.path_does_not_live_long_enough(proper_span,
"borrowed value",
Origin::Mir);
- err.span_label(proper_span, "does not live long enough");
+ err.span_label(proper_span, "temporary value does not live long enough");
err.span_label(drop_span, "temporary value only lives until here");
self.tcx.note_and_explain_region(scope_tree, &mut err,
"borrowed value must be valid for ",
fn main() {
let arena = TypedArena::new();
f(&arena);
-} //~ ERROR `arena` does not live long enough
+} //~^ ERROR `arena` does not live long enough
fn main() {
let arena: TypedArena<C> = TypedArena::new();
f(&arena);
-} //~ ERROR `arena` does not live long enough
+} //~^ ERROR `arena` does not live long enough
let mut x = Foo { x: None };
let y = 0;
x.x = Some(&y);
-} //~ `y` does not live long enough [E0597]
+ //~^ `y` does not live long enough [E0597]
+}
let _result: Result<(), &str> = do catch {
let my_string = String::from("");
let my_str: & str = & my_string;
+ //~^ ERROR `my_string` does not live long enough
Err(my_str) ?;
Err("") ?;
Ok(())
- }; //~ ERROR `my_string` does not live long enough
+ };
}
{
let val: &_ = x.borrow().0;
//[ast]~^ ERROR borrowed value does not live long enough [E0597]
//[ast]~| NOTE temporary value dropped here while still borrowed
- //[ast]~| NOTE temporary value created here
+ //[ast]~| NOTE temporary value does not live long enough
//[ast]~| NOTE consider using a `let` binding to increase its lifetime
//[mir]~^^^^^ ERROR borrowed value does not live long enough [E0597]
//[mir]~| NOTE temporary value dropped here while still borrowed
- //[mir]~| NOTE temporary value created here
+ //[mir]~| NOTE temporary value does not live long enough
//[mir]~| NOTE consider using a `let` binding to increase its lifetime
println!("{}", val);
}
WrapB::new().set(|t: bool| if t { x } else { y }) // (separate errors for `x` vs `y`)
//[ast]~^ ERROR `x` does not live long enough
//[ast]~| ERROR `y` does not live long enough
+ //[mir]~^^^ ERROR `x` does not live long enough
+ //[mir]~| ERROR `y` does not live long enough
});
- //[mir]~^ ERROR `x` does not live long enough
- //[mir]~| ERROR `y` does not live long enough
w.handle(); // This works
// w.handle_ref(); // This doesn't
let mut z = 0;
&mut z
};
- //~^ ERROR `z` does not live long enough (Ast) [E0597]
+ //~^^ ERROR `z` does not live long enough (Ast) [E0597]
//~| ERROR `z` does not live long enough (Mir) [E0597]
println!("{}", y);
}
| - borrowed value needs to live until here
error[E0597]: `z` does not live long enough (Mir)
- --> $DIR/issue-46471-1.rs:17:6
+ --> $DIR/issue-46471-1.rs:16:9
|
16 | &mut z
- | ------ borrow occurs here
+ | ^^^^^^ borrowed value does not live long enough
17 | };
- | ^ `z` dropped here while still borrowed
+ | - `z` dropped here while still borrowed
...
21 | }
| - borrowed value needs to live until here
--> $DIR/issue-46471.rs:15:5
|
15 | &x
- | ^^ does not live long enough
+ | ^^ borrowed value does not live long enough
...
18 | }
| - borrowed value only lives until here
--> $DIR/issue-46472.rs:14:10
|
14 | &mut 4
- | ^ does not live long enough
+ | ^ temporary value does not live long enough
...
17 | }
| - temporary value only lives until here
--> $DIR/capture-ref-in-struct.rs:32:16
|
32 | y: &y,
- | ^^ does not live long enough
+ | ^^ borrowed value does not live long enough
...
37 | }
| - borrowed value only lives until here
--> $DIR/escape-argument.rs:37:25
|
37 | closure(&mut p, &y);
- | ^^ does not live long enough
+ | ^^ borrowed value does not live long enough
38 | //~^ ERROR `y` does not live long enough [E0597]
39 | }
| - borrowed value only lives until here
31 | | let mut closure1 = || p = &y;
32 | | closure1();
33 | | };
- | |_________^ does not live long enough
+ | |_________^ borrowed value does not live long enough
...
36 | }
| - borrowed value only lives until here
--> $DIR/escape-upvar-ref.rs:33:27
|
33 | let mut closure = || p = &y;
- | ^^^^^^^^^ does not live long enough
+ | ^^^^^^^^^ borrowed value does not live long enough
...
36 | }
| - borrowed value only lives until here
--> $DIR/propagate-approximated-shorter-to-static-comparing-against-free.rs:41:26
|
41 | let cell = Cell::new(&a);
- | ^^ does not live long enough
+ | ^^ borrowed value does not live long enough
...
49 | }
| - borrowed value only lives until here
--> $DIR/region-borrow-params-issue-29793-small.rs:19:34
|
19 | let f = |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`)
- | --------- ^ does not live long enough
+ | --------- ^ borrowed value does not live long enough
| |
| capture occurs here
...
--> $DIR/region-borrow-params-issue-29793-small.rs:19:45
|
19 | let f = |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`)
- | --------- ^ does not live long enough
+ | --------- ^ borrowed value does not live long enough
| |
| capture occurs here
...
--> $DIR/region-borrow-params-issue-29793-small.rs:34:34
|
34 | let f = |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`)
- | --------- ^ does not live long enough
+ | --------- ^ borrowed value does not live long enough
| |
| capture occurs here
...
--> $DIR/region-borrow-params-issue-29793-small.rs:34:45
|
34 | let f = |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`)
- | --------- ^ does not live long enough
+ | --------- ^ borrowed value does not live long enough
| |
| capture occurs here
...
//~| NOTE consider using a `let` binding to increase its lifetime
} // (statement 7)
+ //~^ NOTE temporary value needs to live until here
let mut v5 = Vec::new(); // statement 8
error[E0597]: `young[..]` does not live long enough
- --> $DIR/borrowck-let-suggestion-suffixes.rs:43:1
+ --> $DIR/borrowck-let-suggestion-suffixes.rs:21:14
|
21 | v2.push(&young[0]); // statement 4
- | -------- borrow occurs here
+ | ^^^^^^^^ borrowed value does not live long enough
...
-43 | }
- | ^ `young[..]` dropped here while still borrowed
+56 | }
+ | - `young[..]` dropped here while still borrowed
|
= note: values in a scope are dropped in the opposite order they are created
error[E0597]: borrowed value does not live long enough
- --> $DIR/borrowck-let-suggestion-suffixes.rs:25:22
+ --> $DIR/borrowck-let-suggestion-suffixes.rs:28:14
|
-25 | v3.push(&id('x')); // statement 6
- | ------- ^ temporary value dropped here while still borrowed
+28 | v3.push(&id('x')); // statement 6
+ | ^^^^^^^ - temporary value dropped here while still borrowed
| |
- | temporary value created here
+ | temporary value does not live long enough
...
-43 | }
+56 | }
| - temporary value needs to live until here
|
= note: consider using a `let` binding to increase its lifetime
error[E0597]: borrowed value does not live long enough
- --> $DIR/borrowck-let-suggestion-suffixes.rs:32:26
+ --> $DIR/borrowck-let-suggestion-suffixes.rs:38:18
|
-32 | v4.push(&id('y'));
- | ------- ^ temporary value dropped here while still borrowed
+38 | v4.push(&id('y'));
+ | ^^^^^^^ - temporary value dropped here while still borrowed
| |
- | temporary value created here
+ | temporary value does not live long enough
...
-35 | } // (statement 7)
+44 | } // (statement 7)
| - temporary value needs to live until here
|
= note: consider using a `let` binding to increase its lifetime
error[E0597]: borrowed value does not live long enough
- --> $DIR/borrowck-let-suggestion-suffixes.rs:39:22
+ --> $DIR/borrowck-let-suggestion-suffixes.rs:49:14
|
-39 | v5.push(&id('z'));
- | ------- ^ temporary value dropped here while still borrowed
+49 | v5.push(&id('z'));
+ | ^^^^^^^ - temporary value dropped here while still borrowed
| |
- | temporary value created here
+ | temporary value does not live long enough
...
-43 | }
+56 | }
| - temporary value needs to live until here
|
= note: consider using a `let` binding to increase its lifetime
pub fn main() {
let m : Box<Trait+'static> = make_val();
assert_eq!(object_invoke1(&*m), (4,5));
+ //~^ ERROR `*m` does not live long enough
// the problem here is that the full type of `m` is
//
// the type of `m` *strictly outlives* `'m`. Hence we get an
// error.
}
-//~^ ERROR `*m` does not live long enough
error[E0597]: `*m` does not live long enough
- --> $DIR/dropck-object-cycle.rs:56:1
+ --> $DIR/dropck-object-cycle.rs:37:32
|
37 | assert_eq!(object_invoke1(&*m), (4,5));
- | -- borrow occurs here
+ | ^^ borrowed value does not live long enough
...
-56 | }
- | ^ `*m` dropped here while still borrowed
+57 | }
+ | - `*m` dropped here while still borrowed
|
= note: values in a scope are dropped in the opposite order they are created
let p;
let a = 42;
p = &a;
+ //~^ ERROR `a` does not live long enough
}
-//~^ ERROR `a` does not live long enough
error[E0597]: `a` does not live long enough
- --> $DIR/issue-36537.rs:15:1
+ --> $DIR/issue-36537.rs:14:10
|
14 | p = &a;
- | - borrow occurs here
-15 | }
- | ^ `a` dropped here while still borrowed
+ | ^ borrowed value does not live long enough
+15 | //~^ ERROR `a` does not live long enough
+16 | }
+ | - `a` dropped here while still borrowed
|
= note: values in a scope are dropped in the opposite order they are created
while x < 10 { //~ ERROR cannot use `x` because it was mutably borrowed
let mut z = x; //~ ERROR cannot use `x` because it was mutably borrowed
_y.push(&mut z);
+ //~^ ERROR `z` does not live long enough
x += 1; //~ ERROR cannot assign
}
- //~^ ERROR `z` does not live long enough
}
fn main() { }
error[E0597]: `z` does not live long enough
- --> $DIR/regions-escape-loop-via-vec.rs:19:5
+ --> $DIR/regions-escape-loop-via-vec.rs:17:22
|
17 | _y.push(&mut z);
- | - borrow occurs here
-18 | x += 1; //~ ERROR cannot assign
-19 | }
- | ^ `z` dropped here while still borrowed
-20 | //~^ ERROR `z` does not live long enough
+ | ^ borrowed value does not live long enough
+...
+20 | }
+ | - `z` dropped here while still borrowed
21 | }
| - borrowed value needs to live until here
| ^^^^^ use of borrowed `x`
error[E0506]: cannot assign to `x` because it is borrowed
- --> $DIR/regions-escape-loop-via-vec.rs:18:9
+ --> $DIR/regions-escape-loop-via-vec.rs:19:9
|
14 | let mut _y = vec![&mut x];
| - borrow of `x` occurs here
...
-18 | x += 1; //~ ERROR cannot assign
+19 | x += 1; //~ ERROR cannot assign
| ^^^^^^ assignment to borrowed `x` occurs here
error: aborting due to 4 previous errors
projects / rust.git / commitdiff