src/tools/clippy/tests/ui/useless_asref.stderr

error: this call to `as_ref` does nothing
  --> tests/ui/useless_asref.rs:45:18
   |
LL |         foo_rstr(rstr.as_ref());
   |                  ^^^^^^^^^^^^^ help: try: `rstr`
   |
   = note: `-D clippy::useless-asref` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::useless_asref)]`

error: this call to `as_ref` does nothing
  --> tests/ui/useless_asref.rs:48:20
   |
LL |         foo_rslice(rslice.as_ref());
   |                    ^^^^^^^^^^^^^^^ help: try: `rslice`

error: this call to `as_mut` does nothing
  --> tests/ui/useless_asref.rs:53:21
   |
LL |         foo_mrslice(mrslice.as_mut());
   |                     ^^^^^^^^^^^^^^^^ help: try: `mrslice`

error: this call to `as_ref` does nothing
  --> tests/ui/useless_asref.rs:56:20
   |
LL |         foo_rslice(mrslice.as_ref());
   |                    ^^^^^^^^^^^^^^^^ help: try: `mrslice`

error: this call to `as_ref` does nothing
  --> tests/ui/useless_asref.rs:64:20
   |
LL |         foo_rslice(rrrrrslice.as_ref());
   |                    ^^^^^^^^^^^^^^^^^^^ help: try: `rrrrrslice`

error: this call to `as_ref` does nothing
  --> tests/ui/useless_asref.rs:67:18
   |
LL |         foo_rstr(rrrrrstr.as_ref());
   |                  ^^^^^^^^^^^^^^^^^ help: try: `rrrrrstr`

error: this call to `as_mut` does nothing
  --> tests/ui/useless_asref.rs:73:21
   |
LL |         foo_mrslice(mrrrrrslice.as_mut());
   |                     ^^^^^^^^^^^^^^^^^^^^ help: try: `mrrrrrslice`

error: this call to `as_ref` does nothing
  --> tests/ui/useless_asref.rs:76:20
   |
LL |         foo_rslice(mrrrrrslice.as_ref());
   |                    ^^^^^^^^^^^^^^^^^^^^ help: try: `mrrrrrslice`

error: this call to `as_ref` does nothing
  --> tests/ui/useless_asref.rs:81:16
   |
LL |     foo_rrrrmr((&&&&MoreRef).as_ref());
   |                ^^^^^^^^^^^^^^^^^^^^^^ help: try: `(&&&&MoreRef)`

error: this call to `as_mut` does nothing
  --> tests/ui/useless_asref.rs:132:13
   |
LL |     foo_mrt(mrt.as_mut());
   |             ^^^^^^^^^^^^ help: try: `mrt`

error: this call to `as_ref` does nothing
  --> tests/ui/useless_asref.rs:135:12
   |
LL |     foo_rt(mrt.as_ref());
   |            ^^^^^^^^^^^^ help: try: `mrt`

error: this call to `as_ref.map(...)` does nothing
  --> tests/ui/useless_asref.rs:147:13
   |
LL |     let z = x.as_ref().map(String::clone);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `x.clone()`

error: this call to `as_ref.map(...)` does nothing
  --> tests/ui/useless_asref.rs:150:13
   |
LL |     let z = x.as_ref().map(|z| z.clone());
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `x.clone()`

error: this call to `as_ref.map(...)` does nothing
  --> tests/ui/useless_asref.rs:153:13
   |
LL |     let z = x.as_ref().map(|z| String::clone(z));
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `x.clone()`

error: this call to `as_ref.map(...)` does nothing
  --> tests/ui/useless_asref.rs:177:9
   |
LL |         x.field.as_ref().map(|v| v.clone());
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `x.field.clone()`

error: this call to `as_ref.map(...)` does nothing
  --> tests/ui/useless_asref.rs:180:9
   |
LL |         x.field.as_ref().map(Clone::clone);
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `x.field.clone()`

error: this call to `as_ref.map(...)` does nothing
  --> tests/ui/useless_asref.rs:183:9
   |
LL |         x.field.as_ref().map(|v| Clone::clone(v));
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `x.field.clone()`

error: this call to `as_ref.map(...)` does nothing
  --> tests/ui/useless_asref.rs:188:9
   |
LL |         Some(1).as_ref().map(|&x| x.clone());
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Some(1).clone()`

error: this call to `as_ref` does nothing
  --> tests/ui/useless_asref.rs:258:66
   |
LL |     let v: Vec<Cow<'_, str>> = exts.iter().map(|s| Cow::Borrowed(s.as_ref())).collect();
   |                                                                  ^^^^^^^^^^ help: try: `*s`

error: this call to `as_ref` does nothing
  --> tests/ui/useless_asref.rs:271:66
   |
LL |     let v: Vec<Cow<'_, str>> = exts.iter().map(|s| Cow::Borrowed(s.id().as_ref())).collect();
   |                                                                  ^^^^^^^^^^^^^^^ help: try: `s.id()`

error: this call to `as_ref` does nothing
  --> tests/ui/useless_asref.rs:276:32
   |
LL |         .map(|s| Cow::Borrowed(std::convert::identity(s).as_ref()))
   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `*std::convert::identity(s)`

error: this call to `as_ref` does nothing
  --> tests/ui/useless_asref.rs:282:72
   |
LL |     let v: Vec<Cow<'_, str>> = exts_field.iter().map(|w| Cow::Borrowed(w.0.as_ref())).collect();
   |                                                                        ^^^^^^^^^^^^ help: try: `w.0`

error: this call to `as_ref` does nothing
  --> tests/ui/useless_asref.rs:286:74
   |
LL |     let v: Vec<Cow<'_, str>> = exts_index.iter().map(|arr| Cow::Borrowed(arr[0].as_ref())).collect();
   |                                                                          ^^^^^^^^^^^^^^^ help: try: `arr[0]`

error: aborting due to 23 previous errors