| // run-rustfix |
| // edition:2018 |
| |
| #![allow(unused)] |
| #![deny(elided_lifetimes_in_paths)] |
| //~^ NOTE lint level defined here |
| |
| use std::cell::{RefCell, Ref}; |
| |
| |
| struct Foo<'a> { x: &'a u32 } |
| |
| fn foo(x: &Foo<'_>) { |
| //~^ ERROR hidden lifetime parameters in types are deprecated |
| //~| HELP indicate the anonymous lifetime |
| } |
| |
| fn bar(x: &Foo<'_>) {} |
| |
| |
| struct Wrapped<'a>(&'a str); |
| |
| struct WrappedWithBow<'a> { |
| gift: &'a str |
| } |
| |
| struct MatchedSet<'a, 'b> { |
| one: &'a str, |
| another: &'b str, |
| } |
| |
| fn wrap_gift(gift: &str) -> Wrapped<'_> { |
| //~^ ERROR hidden lifetime parameters in types are deprecated |
| //~| HELP indicate the anonymous lifetime |
| Wrapped(gift) |
| } |
| |
| fn wrap_gift_with_bow(gift: &str) -> WrappedWithBow<'_> { |
| //~^ ERROR hidden lifetime parameters in types are deprecated |
| //~| HELP indicate the anonymous lifetime |
| WrappedWithBow { gift } |
| } |
| |
| fn inspect_matched_set(set: MatchedSet<'_, '_>) { |
| //~^ ERROR hidden lifetime parameters in types are deprecated |
| //~| HELP indicate the anonymous lifetime |
| println!("{} {}", set.one, set.another); |
| } |
| |
| macro_rules! autowrapper { |
| ($type_name:ident, $fn_name:ident, $lt:lifetime) => { |
| struct $type_name<$lt> { |
| gift: &$lt str |
| } |
| |
| fn $fn_name(gift: &str) -> $type_name<'_> { |
| //~^ ERROR hidden lifetime parameters in types are deprecated |
| //~| HELP indicate the anonymous lifetime |
| $type_name { gift } |
| } |
| } |
| } |
| |
| autowrapper!(Autowrapped, autowrap_gift, 'a); |
| //~^ NOTE in this expansion of autowrapper! |
| //~| NOTE in this expansion of autowrapper! |
| |
| macro_rules! anytuple_ref_ty { |
| ($($types:ty),*) => { |
| Ref<'_, ($($types),*)> |
| //~^ ERROR hidden lifetime parameters in types are deprecated |
| //~| HELP indicate the anonymous lifetime |
| } |
| } |
| |
| fn main() { |
| let honesty = RefCell::new((4, 'e')); |
| let loyalty: Ref<'_, (u32, char)> = honesty.borrow(); |
| //~^ ERROR hidden lifetime parameters in types are deprecated |
| //~| HELP indicate the anonymous lifetime |
| let generosity = Ref::map(loyalty, |t| &t.0); |
| |
| let laughter = RefCell::new((true, "magic")); |
| let yellow: anytuple_ref_ty!(bool, &str) = laughter.borrow(); |
| //~^ NOTE in this expansion of anytuple_ref_ty! |
| //~| NOTE in this expansion of anytuple_ref_ty! |
| } |