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issue-52169.rs
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//@ run-pass
#[
allow
(
unused_macro_rules
)]
macro_rules
!
a
{
(
$i
:
literal
)
=>
{
"right"
};
(
$i
:
tt
)
=>
{
"wrong"
};
}
macro_rules
!
b
{
(
$i
:
literal
)
=>
{
a
!(
$i
)
};
}
fn
main
()
{
assert_eq
!(
b
!(
0
),
"right"
);
}