Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Add lint and test for malformed but unused #[on_unimplemented] attrib…
…utes
- Loading branch information
1 parent
4d17fba
commit dc0de42
Showing
3 changed files
with
96 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,32 @@ | ||
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT | ||
// file at the top-level directory of this distribution and at | ||
// http://rust-lang.org/COPYRIGHT. | ||
// | ||
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | ||
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | ||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | ||
// option. This file may not be copied, modified, or distributed | ||
// except according to those terms. | ||
// ignore-tidy-linelength | ||
|
||
#[allow(unused)] | ||
|
||
#[on_unimplemented = "test error `{Self}` with `{Bar}` `{Baz}` `{Quux}`"] | ||
trait Foo<Bar, Baz, Quux>{} | ||
|
||
#[on_unimplemented="a collection of type `{Self}` cannot be built from an iterator over elements of type `{A}`"] | ||
trait MyFromIterator<A> { | ||
/// Build a container with elements from an external iterator. | ||
fn my_from_iter<T: Iterator<Item=A>>(iterator: T) -> Self; | ||
} | ||
|
||
#[on_unimplemented] //~ ERROR this attribute must have a value | ||
trait BadAnnotation1 {} | ||
|
||
#[on_unimplemented = "Unimplemented trait error on `{Self}` with params `<{A},{B},{C}>`"] | ||
//~^ ERROR there is no type parameter C on trait BadAnnotation2 | ||
trait BadAnnotation2<A,B> {} | ||
|
||
|
||
pub fn main() { | ||
} |