rust-clippy/tests/ui/eta.stderr

error: redundant closure found
 --> $DIR/eta.rs:7:27
  |
7 |     let a = Some(1u8).map(|a| foo(a));
  |                           ^^^^^^^^^^ help: remove closure as shown: `foo`
  |
note: lint level defined here
 --> $DIR/eta.rs:4:9
  |
4 | #![deny(redundant_closure)]
  |         ^^^^^^^^^^^^^^^^^

error: redundant closure found
 --> $DIR/eta.rs:8:10
  |
8 |     meta(|a| foo(a));
  |          ^^^^^^^^^^ help: remove closure as shown: `foo`

error: redundant closure found
 --> $DIR/eta.rs:9:27
  |
9 |     let c = Some(1u8).map(|a| {1+2; foo}(a));
  |                           ^^^^^^^^^^^^^^^^^ help: remove closure as shown: `{1+2; foo}`

warning: this expression borrows a reference that is immediately dereferenced by the compiler
  --> $DIR/eta.rs:11:21
   |
11 |     all(&[1, 2, 3], &&2, |x, y| below(x, y)); //is adjusted
   |                     ^^^
   |
   = note: #[warn(needless_borrow)] on by default

error: redundant closure found
  --> $DIR/eta.rs:18:27
   |
18 |     let e = Some(1u8).map(|a| generic(a));
   |                           ^^^^^^^^^^^^^^ help: remove closure as shown: `generic`

error: aborting due to 4 previous errors