32 lines
943 B
Rust
32 lines
943 B
Rust
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// Copyright 2015 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 various uses of structs with distint variances to make sure
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// they permit lifetimes to be approximated as expected.
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struct SomeStruct<T>(*mut T);
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fn foo<'min,'max>(v: SomeStruct<&'max ()>)
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-> SomeStruct<&'min ()>
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where 'max : 'min
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{
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v //~ ERROR mismatched types
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}
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fn bar<'min,'max>(v: SomeStruct<&'min ()>)
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-> SomeStruct<&'max ()>
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where 'max : 'min
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{
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v //~ ERROR mismatched types
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}
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#[rustc_error]
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fn main() { }
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