use duplicate::*; fn fn_const_1(arg: &i32) {} fn fn_mut_1(arg: &mut i32) {} fn fn_const_2<'a>(arg: &Vec) {} fn fn_mut_2<'a>(arg: &mut Vec) {} fn fn_const_3<'a>(arg: &'a i32) {} fn fn_mut_3<'a>(arg: &'a mut i32) {} fn fn_const_4<'a>(arg: &'a Result) {} fn fn_mut_4<'a>(arg: &'a mut Result) {} fn fn_const_5<'a>(arg: &'a Result) -> &'a i32 {} fn fn_mut_5<'a>(arg: &'a mut Result) -> &'a mut i32 {} fn fn_const_6(arg: &i32) {} fn fn_mut_6(arg: &mut i32) {} fn fn_const_7(arg: &&i32) {} fn fn_mut_7(arg: &mut &mut i32) {}