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union
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union-macro.rs
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//@ run-pass
#![
allow
(
unused_variables
)]
macro_rules
!
duplicate
{
(
$i
:
item
)
=>
{
mod
m1
{
$i
}
mod
m2
{
$i
}
}
}
duplicate
!
{
pub
union U
{
#[
allow
(
dead_code
)]
pub
a
:
u8
}
}
fn
main
()
{
let
u1
=
m1
::
U
{
a
:
0
};
let
u2
=
m2
::
U
{
a
:
0
};
}