src/libcollections/macros.rs


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// 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.

/// Creates a `Vec` containing the arguments.
#[macro_export]
#[stable]
macro_rules! vec {
    ($($x:expr),*) => ({
        let xs: $crate::boxed::Box<[_]> = $crate::boxed::Box::new([$($x),*]);
        $crate::slice::SliceExt::into_vec(xs)
    });
    ($($x:expr,)*) => (vec![$($x),*])
}