This commit is just covering the feature gate itself and the tests that made direct use of `!` and thus need to opt back into the feature. A follow on commit brings back the other change that motivates the revert: Namely, going back to the old rules for falling back to `()`.
31 lines
899 B
Rust
31 lines
899 B
Rust
// Copyright 2017 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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#![feature(never_type)]
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#![feature(exhaustive_patterns)]
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mod private {
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pub struct Private {
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_bot: !,
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pub misc: bool,
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}
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pub const DATA: Option<Private> = None;
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}
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fn main() {
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match private::DATA {
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//~^ ERROR non-exhaustive patterns: `Some(Private { misc: true, .. })` not covered
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None => {}
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Some(private::Private {
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misc: false,
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..
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}) => {}
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}
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}
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