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33 lines
878 B
Rust
33 lines
878 B
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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// Test that changing what a `type` points to does not go unnoticed
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// by the variance analysis.
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// compile-flags: -Z query-dep-graph
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#![feature(rustc_attrs)]
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#![allow(dead_code)]
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#![allow(unused_variables)]
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fn main() { }
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struct Foo<T> {
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f: T
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}
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#[rustc_if_this_changed(Krate)]
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type TypeAlias<T> = Foo<T>;
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#[rustc_then_this_would_need(ItemVariances)] //~ ERROR OK
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struct Use<T> {
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x: TypeAlias<T>
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}
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