| error: macro requires a cfg-pattern as an argument |
| --> $DIR/cfg.rs:2:5 |
| | |
| LL | cfg!(); |
| | ^^^^^^ cfg-pattern required |
| |
| error[E0565]: literal in `cfg` predicate value must be a boolean |
| --> $DIR/cfg.rs:3:10 |
| | |
| LL | cfg!(123); |
| | ^^^ |
| |
| error[E0565]: literal in `cfg` predicate value must be a string |
| --> $DIR/cfg.rs:4:16 |
| | |
| LL | cfg!(foo = 123); |
| | ^^^ |
| |
| error: expected 1 cfg-pattern |
| --> $DIR/cfg.rs:5:5 |
| | |
| LL | cfg!(foo, bar); |
| | ^^^^^^^^^^^^^^ |
| |
| error: aborting due to 4 previous errors |
| |
| For more information about this error, try `rustc --explain E0565`. |
