52 lines
1.4 KiB
Rust
52 lines
1.4 KiB
Rust
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
|
|
// file at the top-level directory of this distribution and at
|
|
// http://rust-lang.org/COPYRIGHT.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
|
// option. This file may not be copied, modified, or distributed
|
|
// except according to those terms.
|
|
|
|
// Can't use unit struct as enum pattern
|
|
|
|
// aux-build:empty-struct.rs
|
|
|
|
#![feature(relaxed_adts)]
|
|
|
|
extern crate empty_struct;
|
|
use empty_struct::*;
|
|
|
|
struct Empty2;
|
|
|
|
enum E {
|
|
Empty4
|
|
}
|
|
|
|
// remove attribute after warning cycle and promoting warnings to errors
|
|
fn main() {
|
|
let e2 = Empty2;
|
|
let e4 = E::Empty4;
|
|
let xe2 = XEmpty2;
|
|
let xe4 = XE::XEmpty4;
|
|
|
|
match e2 {
|
|
Empty2(..) => () //~ ERROR `Empty2` does not name a tuple variant or a tuple struct
|
|
//~^ WARNING hard error
|
|
}
|
|
match xe2 {
|
|
XEmpty2(..) => () //~ ERROR `XEmpty2` does not name a tuple variant or a tuple struct
|
|
//~^ WARNING hard error
|
|
}
|
|
|
|
match e4 {
|
|
E::Empty4(..) => () //~ ERROR `E::Empty4` does not name a tuple variant or a tuple struct
|
|
//~^ WARNING hard error
|
|
}
|
|
match xe4 {
|
|
XE::XEmpty4(..) => (), //~ ERROR `XE::XEmpty4` does not name a tuple variant or a tuple
|
|
//~^ WARNING hard error
|
|
_ => {},
|
|
}
|
|
}
|