src/test/run-pass/output-slot-variants.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 // pretty-expanded FIXME #23616
  12
  13 #![allow(dead_assignment)]
  14 #![allow(unused_variables)]
  15 #![feature(box_syntax)]
  16
  17 struct A { a: isize, b: isize }
  18 struct Abox { a: Box<isize>, b: Box<isize> }
  19
  20 fn ret_int_i() -> isize { 10 }
  21
  22 fn ret_ext_i() -> Box<isize> { box 10 }
  23
  24 fn ret_int_rec() -> A { A {a: 10, b: 10} }
  25
  26 fn ret_ext_rec() -> Box<A> { box A {a: 10, b: 10} }
  27
  28 fn ret_ext_mem() -> Abox { Abox {a: box 10, b: box 10} }
  29
  30 fn ret_ext_ext_mem() -> Box<Abox> { box Abox{a: box 10, b: box 10} }
  31
  32 pub fn main() {
  33     let mut int_i: isize;
  34     let mut ext_i: Box<isize>;
  35     let mut int_rec: A;
  36     let mut ext_rec: Box<A>;
  37     let mut ext_mem: Abox;
  38     let mut ext_ext_mem: Box<Abox>;
  39     int_i = ret_int_i(); // initializing
  40
  41     int_i = ret_int_i(); // non-initializing
  42
  43     int_i = ret_int_i(); // non-initializing
  44
  45     ext_i = ret_ext_i(); // initializing
  46
  47     ext_i = ret_ext_i(); // non-initializing
  48
  49     ext_i = ret_ext_i(); // non-initializing
  50
  51     int_rec = ret_int_rec(); // initializing
  52
  53     int_rec = ret_int_rec(); // non-initializing
  54
  55     int_rec = ret_int_rec(); // non-initializing
  56
  57     ext_rec = ret_ext_rec(); // initializing
  58
  59     ext_rec = ret_ext_rec(); // non-initializing
  60
  61     ext_rec = ret_ext_rec(); // non-initializing
  62
  63     ext_mem = ret_ext_mem(); // initializing
  64
  65     ext_mem = ret_ext_mem(); // non-initializing
  66
  67     ext_mem = ret_ext_mem(); // non-initializing
  68
  69     ext_ext_mem = ret_ext_ext_mem(); // initializing
  70
  71     ext_ext_mem = ret_ext_ext_mem(); // non-initializing
  72
  73     ext_ext_mem = ret_ext_ext_mem(); // non-initializing
  74
  75 }