26 lines
773 B
Rust
26 lines
773 B
Rust
// Copyright 2012 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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// Test that disallow lifetime parameters that are unused.
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use std::marker;
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struct Bivariant<'a>; //~ ERROR parameter `'a` is never used
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struct Struct<'a, 'd> { //~ ERROR parameter `'d` is never used
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field: &'a [i32]
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}
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trait Trait<'a, 'd> { // OK on traits
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fn method(&'a self);
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}
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fn main() {}
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