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