src/test/ui/rfc-2091-track-caller/error-with-trait-fn-impl.rs

   1 // check-fail
   2
   3 #![feature(track_caller)]
   4
   5 trait Trait {
   6     fn unwrap(&self);
   7 }
   8
   9 impl Trait for u64 {
  10     #[track_caller] //~ ERROR: `#[track_caller]` may not be used on trait methods
  11     fn unwrap(&self) {}
  12 }
  13
  14 struct S;
  15
  16 impl S {
  17     #[track_caller] // ok
  18     fn foo() {}
  19 }
  20
  21 fn main() {}