33 lines
1.1 KiB
Rust
33 lines
1.1 KiB
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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// Check that explicit region bounds are allowed on the various
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// nominal types (but not on other types) and that they are type
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// checked.
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struct an_enum(&'self int);
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struct a_class { x:&'self int }
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fn a_fn1(e: an_enum<'a>) -> an_enum<'b> {
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return e; //~ ERROR mismatched types: expected `an_enum/&'b ` but found `an_enum/&'a `
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}
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fn a_fn3(e: a_class<'a>) -> a_class<'b> {
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return e; //~ ERROR mismatched types: expected `a_class/&'b ` but found `a_class/&'a `
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}
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fn a_fn4(e: int<'a>) -> int<'b> {
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//~^ ERROR region parameters are not allowed on this type
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//~^^ ERROR region parameters are not allowed on this type
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return e;
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}
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fn main() { }
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