rust/src/test/compile-fail/empty-struct-braces-pat-1.rs
Vadim Petrochenkov 2cdd9f1c97 Rewrite check_pat_enum, split it into check_pat_tuple_struct and check_pat_path
Update definitions in def_map for associated types written in unqualified form (like `Self::Output`)
Cleanup finish_resolving_def_to_ty/resolve_ty_and_def_ufcs
Make VariantDef's available through constructor IDs
2016-07-08 12:42:57 +03:00

45 lines
1.2 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 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
}
}