7fef162873
When displaying the function parameters for a lifetime elision error message, this changes it to first filter out the parameters that don't have elided lifetimes. Fixes #30255.
36 lines
1.2 KiB
Rust
36 lines
1.2 KiB
Rust
// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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//
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// Test that lifetime elision error messages correctly omit parameters
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// with no elided lifetimes
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struct S<'a> {
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field: &'a i32,
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}
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fn f(a: &S, b: i32) -> &i32 {
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//~^ ERROR missing lifetime specifier [E0106]
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//~^^ HELP does not say which one of `a`'s 2 elided lifetimes it is borrowed from
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panic!();
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}
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fn g(a: &S, b: bool, c: &i32) -> &i32 {
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//~^ ERROR missing lifetime specifier [E0106]
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//~^^ HELP does not say whether it is borrowed from one of `a`'s 2 elided lifetimes or `c`
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panic!();
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}
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fn h(a: &bool, b: bool, c: &S, d: &i32) -> &i32 {
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//~^ ERROR missing lifetime specifier [E0106]
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//~^^ HELP does not say whether it is borrowed from `a`, one of `c`'s 2 elided lifetimes, or `d`
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panic!();
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}
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