error[E0015]: cannot call non-const fn `xyz` in constants | |
--> $DIR/issue-43105.rs:3:17 | |
| | |
LL | const NUM: u8 = xyz(); | |
| ^^^^^ | |
| | |
= note: calls in constants are limited to constant functions, tuple structs and tuple variants | |
error: could not evaluate constant pattern | |
--> $DIR/issue-43105.rs:8:9 | |
| | |
LL | NUM => unimplemented!(), | |
| ^^^ | |
error: aborting due to 2 previous errors | |
For more information about this error, try `rustc --explain E0015`. |