| // 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 empty braced struct as constant pattern |
| |
| // aux-build:empty-struct.rs |
| |
| extern crate empty_struct; |
| use empty_struct::*; |
| |
| struct Empty1 {} |
| |
| enum E { |
| Empty3 {} |
| } |
| |
| fn main() { |
| let e1 = Empty1 {}; |
| let e3 = E::Empty3 {}; |
| let xe1 = XEmpty1 {}; |
| let xe3 = XE::XEmpty3 {}; |
| |
| match e1 { |
| Empty1 => () // Not an error, `Empty1` is interpreted as a new binding |
| } |
| match e3 { |
| E::Empty3 => () |
| //~^ ERROR `E::Empty3` does not name a unit variant, unit struct or a constant |
| } |
| match xe1 { |
| XEmpty1 => () // Not an error, `XEmpty1` is interpreted as a new binding |
| } |
| match xe3 { |
| XE::XEmpty3 => () |
| //~^ ERROR `XE::XEmpty3` does not name a unit variant, unit struct or a constant |
| } |
| } |