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846ea58cd5ae1c8d72e55dd6cf1ee35ffbca3d63
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src
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test
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nll
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user-annotations
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wf-self-type.rs
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#![
feature
(
nll
)]
struct
Foo
<
'a, '
b
:
'a>(&'
a
&
'
b
());
impl
<
'a, '
b
>
Foo
<
'a, '
b
>
{
fn
xmute
(
a
:
&
'b ()) -> &'
a
()
{
unreachable
!()
}
}
pub
fn
foo
<
'a, '
b
>(
u
:
&
'b ()) -> &'
a
()
{
Foo
::
xmute
(
u
)
//~ ERROR lifetime may not live long enough
}
fn
main
()
{}