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Suggest adding a `?Sized` bound if appropriate on E0599 by inspecting
the HIR Generics. (Fix #98539)
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use `def_ident_span` , `body_owner_def_id` instead of `in_progress_typeck_results`, `guess_head_span`
use `body_id.owner` directly
add description to label
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* On suggestions that include deletions, use a diff inspired output format
* When suggesting addition, use `+` as underline
* Color highlight modified span
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Rename fn_has_self_argument to fn_has_self_parameter
Rename AssocItemKind::Method to AssocItemKind::Fn
Refine has_no_input_arg
Refine has_no_input_arg
Revert has_no_input_arg
Refine suggestion_descr
Move as_def_kind into AssocKind
Signed-off-by: Rustin-Liu <rustin.liu@gmail.com>
Fix tidy check issue
Signed-off-by: Rustin-Liu <rustin.liu@gmail.com>
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Fix #65635.
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Given
```
mented on Jan 26, 2015 •
trait Foo { fn method(&self) {} }
fn call_method<T>(x: &T) {
x.method()
}
```
suggest constraining `T` with `Foo`.
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When encountering an unexisting method for a given trait where an
associated function has the same name, suggest using the appropriate
syntax, instead of using `help` text.
When only one candidate is found, do not call it "candidate #1", just
call it "the candidate".
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This reverts commit 5558c64f33446225739c1153b43d2e309bb4f50e.
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See #33525 for details.
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When a span starts on a line with nothing but whitespace to the left,
and there are no other annotations in that line, simplify the visual
representation of the span.
Go from:
```rust
error[E0072]: recursive type `A` has infinite size
--> file2.rs:1:1
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1 | struct A {
| _^ starting here...
2 | | a: A,
3 | | }
| |_^ ...ending here: recursive type has infinite size
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```
To:
```rust
error[E0072]: recursive type `A` has infinite size
--> file2.rs:1:1
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1 | / struct A {
2 | | a: A,
3 | | }
| |_^ recursive type has infinite size
```
Remove `starting here...`/`...ending here` labels from all multiline
diagnostics.
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For a given file
```rust
trait A { fn foo(&self) {} }
trait B : A { fn foo(&self) {} }
fn bar<T: B>(a: &T) {
a.foo()
}
```
provide the following output
```
error[E0034]: multiple applicable items in scope
--> file.rs:6:5
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6 | a.foo(1)
| ^^^ multiple `foo` found
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note: candidate #1 is defined in the trait `A`
--> file.rs:2:11
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2 | trait A { fn foo(&self, a: usize) {} }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
help: to use it here write `A::foo(&a, 1)` instead
--> file.rs:6:5
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6 | a.foo(1)
| ^^^
note: candidate #2 is defined in the trait `B`
--> file.rs:3:15
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3 | trait B : A { fn foo(&self, a: usize) {} }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
help: to use it here write `B::foo(&a, 1)` instead
--> file.rs:6:5
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6 | a.foo(1)
| ^^^
```
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