tests/ui/output-slot-variants.rs

   1 // run-pass
   2
   3 #![allow(dead_code)]
   4 #![allow(unused_assignments)]
   5 #![allow(unknown_lints)]
   6 // pretty-expanded FIXME #23616
   7
   8 #![allow(dead_assignment)]
   9 #![allow(unused_variables)]
  10
  11 struct A { a: isize, b: isize }
  12 struct Abox { a: Box<isize>, b: Box<isize> }
  13
  14 fn ret_int_i() -> isize { 10 }
  15
  16 fn ret_ext_i() -> Box<isize> { Box::new(10) }
  17
  18 fn ret_int_rec() -> A { A {a: 10, b: 10} }
  19
  20 fn ret_ext_rec() -> Box<A> { Box::new(A {a: 10, b: 10}) }
  21
  22 fn ret_ext_mem() -> Abox { Abox {a: Box::new(10), b: Box::new(10) } }
  23
  24 fn ret_ext_ext_mem() -> Box<Abox> { Box::new(Abox{a: Box::new(10), b: Box::new(10) }) }
  25
  26 pub fn main() {
  27     let mut int_i: isize;
  28     let mut ext_i: Box<isize>;
  29     let mut int_rec: A;
  30     let mut ext_rec: Box<A>;
  31     let mut ext_mem: Abox;
  32     let mut ext_ext_mem: Box<Abox>;
  33     int_i = ret_int_i(); // initializing
  34
  35     int_i = ret_int_i(); // non-initializing
  36
  37     int_i = ret_int_i(); // non-initializing
  38
  39     ext_i = ret_ext_i(); // initializing
  40
  41     ext_i = ret_ext_i(); // non-initializing
  42
  43     ext_i = ret_ext_i(); // non-initializing
  44
  45     int_rec = ret_int_rec(); // initializing
  46
  47     int_rec = ret_int_rec(); // non-initializing
  48
  49     int_rec = ret_int_rec(); // non-initializing
  50
  51     ext_rec = ret_ext_rec(); // initializing
  52
  53     ext_rec = ret_ext_rec(); // non-initializing
  54
  55     ext_rec = ret_ext_rec(); // non-initializing
  56
  57     ext_mem = ret_ext_mem(); // initializing
  58
  59     ext_mem = ret_ext_mem(); // non-initializing
  60
  61     ext_mem = ret_ext_mem(); // non-initializing
  62
  63     ext_ext_mem = ret_ext_ext_mem(); // initializing
  64
  65     ext_ext_mem = ret_ext_ext_mem(); // non-initializing
  66
  67     ext_ext_mem = ret_ext_ext_mem(); // non-initializing
  68
  69 }