rust/src/test/compile-fail/refutable-pattern-errors.rs
Patrick Walton 416144b827 librustc: Forbid .. in range patterns.
This breaks code that looks like:

    match foo {
        1..3 => { ... }
    }

Instead, write:

    match foo {
        1...3 => { ... }
    }

Closes #17295.

[breaking-change]
2014-09-30 09:11:26 -07:00

19 lines
743 B
Rust

// Copyright 2014 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.
fn func((1, (Some(1), 2...3)): (int, (Option<int>, int))) { }
//~^ ERROR refutable pattern in function argument: `(_, _)` not covered
fn main() {
let (1i, (Some(1i), 2i...3i)) = (1i, (None, 2i));
//~^ ERROR refutable pattern in local binding: `(_, _)` not covered
}