src/test/ui/run-pass/array-slice-vec/vec-macro-no-std.rs

   1 // Copyright 2014 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 // run-pass
  12
  13 // ignore-emscripten no no_std executables
  14
  15 #![feature(lang_items, start, libc, alloc)]
  16 #![no_std]
  17
  18 extern crate std as other;
  19
  20 extern crate libc;
  21
  22 #[macro_use]
  23 extern crate alloc;
  24
  25 use alloc::vec::Vec;
  26
  27 // Issue #16806
  28
  29 #[start]
  30 fn start(_argc: isize, _argv: *const *const u8) -> isize {
  31     let x: Vec<u8> = vec![0, 1, 2];
  32     match x.last() {
  33         Some(&2) => (),
  34         _ => panic!(),
  35     }
  36     0
  37 }