File: suggestion-for-introducing-lifetime-into-binder.rs

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#![feature(closure_lifetime_binder)]
fn main() {
    for<> |_: &'a ()| -> () {};
    //~^ ERROR use of undeclared lifetime name `'a`
    for<'a> |_: &'b ()| -> () {};
    //~^ ERROR use of undeclared lifetime name `'b`
}