| error: unexpected end of macro invocation | |
| --> tests/ui/empty-ensure.rs:4:5 | |
| | | |
| 4 | ensure!(); | |
| | ^^^^^^^^^ missing tokens in macro arguments | |
| | | |
| = note: this error originates in the macro `$crate::__parse_ensure` which comes from the expansion of the macro `ensure` (in Nightly builds, run with -Z macro-backtrace for more info) |