| error[E0618]: expected function, found `usize` | |
| --> $DIR/const-as-fn.rs:4:5 | |
| | | |
| LL | const FOO: usize = 0; | |
| | ---------------- `FOO` defined here | |
| ... | |
| LL | FOO(); | |
| | ^^^-- | |
| | | | |
| | call expression requires function | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0618`. |