fn foo(_f: fn()) {}
fn bar(_f: @int) {}

fn main() {
    let x = @3;
    foo(|| bar(x) );

    let x = @3;
    foo(|copy x| bar(x) ); //~ ERROR cannot capture values explicitly with a block closure

    let x = @3;
    foo(|move x| bar(x) ); //~ ERROR cannot capture values explicitly with a block closure
}