src/test/run-pass/unary-minus-suffix-inference.rs

   1 // Copyright 2012 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 pub fn main() {
  12     let a = 1;
  13     let a_neg: i8 = -a;
  14     error!(a_neg);
  15
  16     let b = 1;
  17     let b_neg: i16 = -b;
  18     error!(b_neg);
  19
  20     let c = 1;
  21     let c_neg: i32 = -c;
  22     error!(b_neg);
  23
  24     let d = 1;
  25     let d_neg: i64 = -d;
  26     error!(b_neg);
  27
  28     let e = 1;
  29     let e_neg: int = -e;
  30     error!(b_neg);
  31
  32     // intentional overflows
  33
  34     let f = 1;
  35     let f_neg: u8 = -f;
  36     error!(f_neg);
  37
  38     let g = 1;
  39     let g_neg: u16 = -g;
  40     error!(g_neg);
  41
  42     let h = 1;
  43     let h_neg: u32 = -h;
  44     error!(h_neg);
  45
  46     let i = 1;
  47     let i_neg: u64 = -i;
  48     error!(i_neg);
  49
  50     let j = 1;
  51     let j_neg: uint = -j;
  52     error!(j_neg);
  53 }