src/test/ui/traits/issue-77982.stderr

   1 error[E0283]: type annotations needed
   2   --> $DIR/issue-77982.rs:8:10
   3    |
   4 LL |     opts.get(opt.as_ref());
   5    |          ^^^ ------------ this method call resolves to `&T`
   6    |          |
   7    |          cannot infer type for type parameter `Q` declared on the associated function `get`
   8    |
   9    = note: cannot satisfy `String: Borrow<_>`
  10
  11 error[E0283]: type annotations needed
  12   --> $DIR/issue-77982.rs:12:44
  13    |
  14 LL |     let ips: Vec<_> = (0..100_000).map(|_| u32::from(0u32.into())).collect();
  15    |                                            ^^^^^^^^^ ----------- this method call resolves to `T`
  16    |                                            |
  17    |                                            cannot infer type for type parameter `T` declared on the trait `From`
  18    |
  19    = note: cannot satisfy `u32: From<_>`
  20 note: required by `from`
  21   --> $SRC_DIR/core/src/convert/mod.rs:LL:COL
  22    |
  23 LL |     fn from(_: T) -> Self;
  24    |     ^^^^^^^^^^^^^^^^^^^^^^
  25
  26 error[E0283]: type annotations needed for `Box<T>`
  27   --> $DIR/issue-77982.rs:35:16
  28    |
  29 LL |     let _ = ().foo();
  30    |         -      ^^^ cannot infer type for type parameter `T` declared on the trait `Foo`
  31    |         |
  32    |         consider giving this pattern the explicit type `Box<T>`, where the type parameter `T` is specified
  33    |
  34    = note: cannot satisfy `(): Foo<'_, _>`
  35
  36 error[E0283]: type annotations needed for `Box<T>`
  37   --> $DIR/issue-77982.rs:39:19
  38    |
  39 LL |     let _ = (&()).bar();
  40    |         -         ^^^ cannot infer type for type parameter `T` declared on the trait `Bar`
  41    |         |
  42    |         consider giving this pattern the explicit type `Box<T>`, where the type parameter `T` is specified
  43    |
  44    = note: cannot satisfy `&(): Bar<'_, _>`
  45
  46 error: aborting due to 4 previous errors
  47
  48 For more information about this error, try `rustc --explain E0283`.