[rustc.git] / src / test / ui / closures / issue-82438-mut-without-upvar.rs

use std::error::Error;
struct A {
}

impl A {
    pub fn new() -> A {
        A {
        }
    }

    pub fn f<'a>(
        &'a self,
        team_name: &'a str,
        c: &'a mut dyn FnMut(String, String, u64, u64)
    ) -> Result<(), Box<dyn Error>> {
        Ok(())
    }
}


fn main() {
    let A = A::new();
    let participant_name = "A";

    let c = |a, b, c, d| {};

    A.f(participant_name, &mut c); //~ ERROR cannot borrow
}
Commit	Line	Data
6a06907d XL	1	use std::error::Error;
	2	struct A {
	3	}
	4
	5	impl A {
	6	pub fn new() -> A {
	7	A {
	8	}
	9	}
	10
	11	pub fn f<'a>(
	12	&'a self,
	13	team_name: &'a str,
	14	c: &'a mut dyn FnMut(String, String, u64, u64)
	15	) -> Result<(), Box<dyn Error>> {
	16	Ok(())
	17	}
	18	}
	19
	20
	21	fn main() {
	22	let A = A::new();
	23	let participant_name = "A";
	24
	25	let c = \|a, b, c, d\| {};
	26
	27	A.f(participant_name, &mut c); //~ ERROR cannot borrow
	28	}