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// Copyright 2018 The Rust Project Developers. See the COPYRIGHT | ||
// file at the top-level directory of this distribution and at | ||
// http://rust-lang.org/COPYRIGHT. | ||
// | ||
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | ||
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | ||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | ||
// option. This file may not be copied, modified, or distributed | ||
// except according to those terms. | ||
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// run-rustfix | ||
// compile-flags: --edition 2018 | ||
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#![allow(unused)] | ||
#![deny(elided_lifetimes_in_paths)] | ||
//~^ NOTE lint level defined here | ||
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use std::cell::{RefCell, Ref}; | ||
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struct Foo<'a> { x: &'a u32 } | ||
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fn foo(x: &Foo) { | ||
//~^ ERROR hidden lifetime parameters in types are deprecated | ||
//~| HELP indicate the anonymous lifetime | ||
} | ||
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fn bar(x: &Foo<'_>) {} | ||
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struct Wrapped<'a>(&'a str); | ||
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struct WrappedWithBow<'a> { | ||
gift: &'a str | ||
} | ||
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fn wrap_gift(gift: &str) -> Wrapped { | ||
//~^ ERROR hidden lifetime parameters in types are deprecated | ||
//~| HELP indicate the anonymous lifetime | ||
Wrapped(gift) | ||
} | ||
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fn wrap_gift_with_bow(gift: &str) -> WrappedWithBow { | ||
//~^ ERROR hidden lifetime parameters in types are deprecated | ||
//~| HELP indicate the anonymous lifetime | ||
WrappedWithBow { gift } | ||
} | ||
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macro_rules! autowrapper { | ||
($type_name:ident, $fn_name:ident, $lt:lifetime) => { | ||
struct $type_name<$lt> { | ||
gift: &$lt str | ||
} | ||
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fn $fn_name(gift: &str) -> $type_name { | ||
//~^ ERROR hidden lifetime parameters in types are deprecated | ||
//~| HELP indicate the anonymous lifetime | ||
$type_name { gift } | ||
} | ||
} | ||
} | ||
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autowrapper!(Autowrapped, autowrap_gift, 'a); | ||
//~^ NOTE in this expansion of autowrapper! | ||
//~| NOTE in this expansion of autowrapper! | ||
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macro_rules! anytuple_ref_ty { | ||
($($types:ty),*) => { | ||
Ref<($($types),*)> | ||
//~^ ERROR hidden lifetime parameters in types are deprecated | ||
//~| HELP indicate the anonymous lifetime | ||
} | ||
} | ||
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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); | ||
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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! | ||
} |
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