slice_as_array 1.1.0

Cast slices to arrays
Documentation 
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// Copyright 2016 Peter Reid. See the COPYRIGHT file at the top-level
// directory of this distribution.
//
// 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.

#[macro_use] extern crate slice_as_array;

fn main() {
    let xs_prefix: &[u32; 20] = { 
        let mut xs = [0u32; 50];
        slice_as_array!(&xs[0..20], [u32; 20]).unwrap() //~ error: `xs` does not live long enough
    };
}