//@ run-rustfix #![allow(non_snake_case, dead_code)] use std::pin::Pin; struct Struct {} impl Struct { // Test using `&mut self` sugar: fn ref_self(&mut self, f: &u32) -> &u32 { f //~^ ERROR lifetime may not live long enough } // Test using `&mut Self` explicitly: fn ref_Self(self: &mut Self, f: &u32) -> &u32 { f //~^ ERROR lifetime may not live long enough } fn box_ref_Self(self: Box<&mut Self>, f: &u32) -> &u32 { f //~^ ERROR lifetime may not live long enough } fn pin_ref_Self(self: Pin<&mut Self>, f: &u32) -> &u32 { f //~^ ERROR lifetime may not live long enough } fn box_box_ref_Self(self: Box>, f: &u32) -> &u32 { f //~^ ERROR lifetime may not live long enough } fn box_pin_ref_Self(self: Box>, f: &u32) -> &u32 { f //~^ ERROR lifetime may not live long enough } } fn main() {}