rust/src/test/compile-fail/issue-15381.rs
Ariel Ben-Yehuda 5c717a6fc2 implement RFC495 semantics for slice patterns
non-MIR translation is still not supported for these and will happily ICE.

This is a [breaking-change] for many uses of slice_patterns.
2016-06-09 00:38:38 +03:00

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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.
#![feature(slice_patterns)]
fn main() {
let values: Vec<u8> = vec![1,2,3,4,5,6,7,8];
for &[x,y,z] in values.chunks(3).filter(|&xs| xs.len() == 3) {
//~^ ERROR refutable pattern in `for` loop binding: `&[]` not covered
println!("y={}", y);
}
}