// edition:2018 // revisions: base nll // ignore-compare-mode-nll //[nll] compile-flags: -Z borrowck=mir #![allow(non_snake_case)] use std::pin::Pin; struct Struct { } impl Struct { // Test using `&mut Struct` explicitly: async fn ref_Struct(self: &mut Struct, f: &u32) -> &u32 { f //[base]~^ ERROR lifetime mismatch //[nll]~^^ ERROR lifetime may not live long enough } async fn box_ref_Struct(self: Box<&mut Struct>, f: &u32) -> &u32 { f //[base]~^ ERROR lifetime mismatch //[nll]~^^ ERROR lifetime may not live long enough } async fn pin_ref_Struct(self: Pin<&mut Struct>, f: &u32) -> &u32 { f //[base]~^ ERROR lifetime mismatch //[nll]~^^ ERROR lifetime may not live long enough } async fn box_box_ref_Struct(self: Box>, f: &u32) -> &u32 { f //[base]~^ ERROR lifetime mismatch //[nll]~^^ ERROR lifetime may not live long enough } async fn box_pin_ref_Struct(self: Box>, f: &u32) -> &u32 { f //[base]~^ ERROR lifetime mismatch //[nll]~^^ ERROR lifetime may not live long enough } } fn main() { }