src/test/ui/issues/issue-43105.stderr

   1 error[E0015]: calls in constants are limited to constant functions, tuple structs and tuple variants
   2   --> $DIR/issue-43105.rs:3:17
   3    |
   4 LL | const NUM: u8 = xyz();
   5    |                 ^^^^^
   6
   7 error: any use of this value will cause an error
   8   --> $DIR/issue-43105.rs:3:17
   9    |
  10 LL | const NUM: u8 = xyz();
  11    | ----------------^^^^^-
  12    |                 |
  13    |                 calling non-const function `xyz`
  14    |
  15    = note: `#[deny(const_err)]` on by default
  16
  17 error: could not evaluate constant pattern
  18   --> $DIR/issue-43105.rs:9:9
  19    |
  20 LL |         NUM => unimplemented!(),
  21    |         ^^^
  22
  23 error: could not evaluate constant pattern
  24   --> $DIR/issue-43105.rs:9:9
  25    |
  26 LL |         NUM => unimplemented!(),
  27    |         ^^^
  28
  29 error: aborting due to 4 previous errors
  30
  31 For more information about this error, try `rustc --explain E0015`.