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1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
4 //
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
10
11 #![feature(global_allocator, alloc_system, allocator_api)]
12 extern crate alloc_system;
13
14 use std::collections::VecDeque;
15 use alloc_system::System;
16
17 #[global_allocator]
18 static ALLOCATOR: System = System;
19
20 fn main() {
21     let mut deque = VecDeque::with_capacity(32);
22     deque.push_front(0);
23     deque.reserve(31);
24     deque.push_back(0);
25 }