48 lines
1.3 KiB
Rust
48 lines
1.3 KiB
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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// Can't use unit struct as enum pattern
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// aux-build:empty-struct.rs
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#![feature(relaxed_adts)]
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extern crate empty_struct;
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use empty_struct::*;
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struct Empty2();
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enum E {
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Empty4()
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}
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// remove attribute after warning cycle and promoting warnings to errors
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fn main() {
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let e2 = Empty2();
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let e4 = E::Empty4();
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let xe6 = XEmpty6();
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let xe5 = XE::XEmpty5();
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match e2 {
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Empty2 => () //~ ERROR `Empty2` does not name a unit variant, unit struct or a constant
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}
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match xe6 {
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XEmpty6 => () //~ ERROR `XEmpty6` does not name a unit variant, unit struct or a constant
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}
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match e4 {
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E::Empty4 => () //~ ERROR `E::Empty4` does not name a unit variant, unit struct or a
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}
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match xe5 {
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XE::XEmpty5 => (), //~ ERROR `XE::XEmpty5` does not name a unit variant, unit struct or a
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_ => {},
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}
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}
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