fn main() { | |
(0..) | |
.map( | |
#[target_feature(enable = "")] | |
//~^ ERROR: attribute cannot be used on | |
#[track_caller] | |
//~^ ERROR: `#[track_caller]` on closures is currently unstable | |
//~| NOTE: see issue #87417 | |
//~| NOTE: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date | |
|_| (), | |
) | |
.next(); | |
} |