[rustc.git] / src / test / ui / impl-trait / impl-trait-in-macro.rs

use std::fmt::Debug;

macro_rules! i {
    ($($tr:tt)*) => { impl $($tr)* };
}

fn foo(x: i!(Debug), y: i!(Debug)) -> String {
    let mut a = x;
    a = y; //~ ERROR mismatched
    format!("{:?}", a)
}

trait S<T> {}

fn much_universe<T: S<i!(Debug)>, U: IntoIterator<Item = i!(Iterator<Item = i!(Clone)>)>>(
    _: i!(Debug + Clone),
) {
}

fn main() {}
Commit	Line	Data
6a06907d XL	1	use std::fmt::Debug;
	2
	3	macro_rules! i {
	4	($($tr:tt)) => { impl $($tr) };
	5	}
	6
	7	fn foo(x: i!(Debug), y: i!(Debug)) -> String {
	8	let mut a = x;
	9	a = y; //~ ERROR mismatched
	10	format!("{:?}", a)
	11	}
	12
	13	trait S<T> {}
	14
	15	fn much_universe<T: S<i!(Debug)>, U: IntoIterator<Item = i!(Iterator<Item = i!(Clone)>)>>(
	16	_: i!(Debug + Clone),
	17	) {
	18	}
	19
	20	fn main() {}