src/test/ui/print_type_sizes/anonymous.rs

   1 // Copyright 2016 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 // compile-flags: -Z print-type-sizes
  12 // compile-pass
  13
  14 // All of the types that occur in this function are uninteresting, in
  15 // that one cannot control the sizes of these types with the same sort
  16 // of enum-variant manipulation tricks.
  17
  18 #![feature(start)]
  19
  20 #[start]
  21 fn start(_: isize, _: *const *const u8) -> isize {
  22     let _byte: u8 = 0;
  23     let _word: usize = 0;
  24     let _tuple: (u8, usize)= (0, 0);
  25     let _array: [u8; 128] = [0; 128];
  26     let _fn: fn (u8) -> u8 = id;
  27     let _diverging: fn (u8) -> ! = bye;
  28
  29     fn id(x: u8) -> u8 { x };
  30     fn bye(_: u8) -> ! { loop { } }
  31
  32     0
  33 }