tests/ui/raw-ref-op/raw-ref-temp.rs

   1 // Ensure that we don't allow taking the address of temporary values
   2 #![feature(raw_ref_op, type_ascription)]
   3
   4 const FOUR: u64 = 4;
   5
   6 const PAIR: (i32, i64) = (1, 2);
   7
   8 const ARRAY: [i32; 2] = [1, 2];
   9
  10 fn main() {
  11     let ref_expr = &raw const 2;                                    //~ ERROR cannot take address
  12     let mut_ref_expr = &raw mut 3;                                  //~ ERROR cannot take address
  13     let ref_const = &raw const FOUR;                                //~ ERROR cannot take address
  14     let mut_ref_const = &raw mut FOUR;                              //~ ERROR cannot take address
  15
  16     let field_ref_expr = &raw const (1, 2).0;                       //~ ERROR cannot take address
  17     let mut_field_ref_expr = &raw mut (1, 2).0;                     //~ ERROR cannot take address
  18     let field_ref = &raw const PAIR.0;                              //~ ERROR cannot take address
  19     let mut_field_ref = &raw mut PAIR.0;                            //~ ERROR cannot take address
  20
  21     let index_ref_expr = &raw const [1, 2][0];                      //~ ERROR cannot take address
  22     let mut_index_ref_expr = &raw mut [1, 2][0];                    //~ ERROR cannot take address
  23     let index_ref = &raw const ARRAY[0];                            //~ ERROR cannot take address
  24     let mut_index_ref = &raw mut ARRAY[1];                          //~ ERROR cannot take address
  25
  26     let ref_ascribe = &raw const type_ascribe!(2, i32);             //~ ERROR cannot take address
  27     let mut_ref_ascribe = &raw mut type_ascribe!(3, i32);           //~ ERROR cannot take address
  28
  29     let ascribe_field_ref = &raw const type_ascribe!(PAIR.0, i32);  //~ ERROR cannot take address
  30     let ascribe_index_ref = &raw mut type_ascribe!(ARRAY[0], i32);  //~ ERROR cannot take address
  31 }