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mod foo {
use extend::ext;
#[ext(pub)]
impl<T1, T2, T3> (T1, T2, T3) {
fn size(&self) -> usize {
3
}
}
}
fn main() {
use foo::TupleOfT1T2T3Ext;
assert_eq!(3, (0, 0, 0).size());
}