rust/src/test/ui/check_match/issue-43253.rs

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// Copyright 2017 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.
#![feature(exclusive_range_pattern)]
fn main() {
// These cases should generate no warning.
match 10 {
1..10 => {},
10 => {},
_ => {},
}
match 10 {
1..10 => {},
9...10 => {},
_ => {},
}
match 10 {
1..10 => {},
10...10 => {},
_ => {},
}
// These cases should generate an "unreachable pattern" warning.
match 10 {
1..10 => {},
9 => {},
_ => {},
}
match 10 {
1..10 => {},
8...9 => {},
_ => {},
}
match 10 {
1..10 => {},
9...9 => {},
_ => {},
}
}