File: return-value-lifetime-error.stderr

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rustc 1.88.0%2Bdfsg1-1
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error: lifetime may not live long enough
  --> $DIR/return-value-lifetime-error.rs:13:47
   |
LL |     let _ = counts.iter().max_by_key(|(_, v)| v);
   |                                       ------- ^ returning this value requires that `'1` must outlive `'2`
   |                                       |     |
   |                                       |     return type of closure is &'2 &i32
   |                                       has type `&'1 (&i32, &i32)`
   |
help: dereference the return value
   |
LL |     let _ = counts.iter().max_by_key(|(_, v)| **v);
   |                                               ++

error: aborting due to 1 previous error