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-Test cases intended to document behavior and try to exhaustively
-explore the combinations.
-
-## Confidence
-
-These tests are not yet considered 100% normative, in that some
-aspects of the current behavior are not desirable. This is expressed
-in the "confidence" field in the following table. Values:
-
-| Confidence | Interpretation |
-| --- | --- |
-| 100% | this will remain recommended behavior |
-| 75% | unclear whether we will continue to accept this |
-| 50% | this will likely be deprecated but remain valid |
-| 25% | this could change in the future |
-| 0% | this is definitely bogus and will likely change in the future in *some* way |
-
-## Tests
-
-| Test file | `Self` type | Pattern | Current elision behavior | Confidence |
-| --- | --- | --- | --- | --- |
-| `self.rs` | `Struct` | `Self` | ignore `self` parameter | 100% |
-| `struct.rs` | `Struct` | `Struct` | ignore `self` parameter | 100% |
-| `alias.rs` | `Struct` | `Alias` | ignore `self` parameter | 100% |
-| `ref-self.rs` | `Struct` | `&Self` | take lifetime from `&Self` | 100% |
-| `ref-mut-self.rs` | `Struct` | `&mut Self` | take lifetime from `&mut Self` | 100% |
-| `ref-struct.rs` | `Struct` | `&Struct` | take lifetime from `&Self` | 50% |
-| `ref-mut-struct.rs` | `Struct` | `&mut Struct` | take lifetime from `&mut Self` | 50% |
-| `ref-alias.rs` | `Struct` | `&Alias` | ignore `Alias` | 0% |
-| `ref-mut-alias.rs` | `Struct` | `&mut Alias` | ignore `Alias` | 0% |
-| `lt-self.rs` | `Struct<'a>` | `Self` | ignore `Self` (and hence `'a`) | 25% |
-| `lt-struct.rs` | `Struct<'a>` | `Self` | ignore `Self` (and hence `'a`) | 0% |
-| `lt-alias.rs`   | `Alias<'a>` | `Self` | ignore `Self` (and hence `'a`) | 0% |
-| `lt-ref-self.rs` | `Struct<'a>` | `&Self` | take lifetime from `&Self` | 75% |
-
-In each case, we test the following patterns:
-
-- `self: XXX`
-- `self: Box<XXX>`
-- `self: Pin<XXX>`
-- `self: Box<Box<XXX>>`
-- `self: Box<Pin<XXX>>`
-
-In the non-reference cases, `Pin` causes errors so we substitute `Rc`.
-
-### `async fn`
-
-For each of the tests above we also check that `async fn` behaves as an `fn` would.
-These tests are in files named `*-async.rs`.
-
-Legends:
-- ✓ ⟹ Yes / Pass
-- X ⟹ No
-- α ⟹ lifetime mismatch
-- β ⟹ cannot infer an appropriate lifetime
-- γ ⟹ missing lifetime specifier
-
-| `async` file | Pass? | Conforms to `fn`? | How does it diverge? <br/> `fn` ⟶ `async fn` |
-| --- | --- | --- | --- |
-| `self-async.rs` | ✓ | ✓ | N/A |
-| `struct-async.rs`| ✓ | ✓ | N/A |
-| `alias-async.rs`| ✓ | ✓ | N/A |
-| `assoc-async.rs`| ✓ | ✓ | N/A |
-| `ref-self-async.rs` | X | ✓ | N/A |
-| `ref-mut-self-async.rs` | X | ✓ | N/A |
-| `ref-struct-async.rs` | X | ✓ | N/A |
-| `ref-mut-struct-async.rs` | X | ✓ | N/A |
-| `ref-alias-async.rs` | ✓ | ✓ | N/A |
-| `ref-assoc-async.rs` | ✓ | ✓ | N/A |
-| `ref-mut-alias-async.rs` | ✓ | ✓ | N/A |
-| `lt-self-async.rs` | ✓ | ✓ | N/A
-| `lt-struct-async.rs` | ✓ | ✓ | N/A
-| `lt-alias-async.rs` | ✓ | ✓ | N/A
-| `lt-assoc-async.rs` | ✓ | ✓ | N/A
-| `lt-ref-self-async.rs` | X | ✓ | N/A |