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346aec9b02f3c74f3fce97fd6bda24709d220e49
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clippy
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crashes
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ice-5579.rs
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trait
IsErr
{
fn
is_err
(&
self
,
err
:
&
str
)
->
bool
;
}
impl
<
T
>
IsErr
for
Option
<
T
>
{
fn
is_err
(&
self
,
_err
:
&
str
)
->
bool
{
true
}
}
fn
main
()
{
let
t
=
Some
(
1
);
if
t
.
is_err
(
""
)
{
t
.
unwrap
();
}
}