{
let pats = Matrix(vec!(vec!(pat)));
match is_useful(cx, &pats, &[DUMMY_WILD_PAT], ConstructWitness) {
- UsefulWithWitness(pats) => {
- assert_eq!(pats.len(), 1);
- Some(refutable(&pats[0]))
- },
+ UsefulWithWitness(pats) => Some(refutable(&pats[0])),
NotUseful => None,
Useful => unreachable!()
}
--- /dev/null
+// Copyright 2016 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.
+
+enum Thing {
+ Foo(u8),
+ Bar,
+ Baz
+}
+
+fn main() {
+ let Thing::Foo(y) = Thing::Foo(1);
+ //~^ ERROR refutable pattern in local binding: `Bar` not covered
+}