| // 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 |
| |
| #![feature(on_unimplemented)] |
| |
| #![allow(unused)] |
| |
| #[rustc_on_unimplemented = "test error `{Self}` with `{Bar}` `{Baz}` `{Quux}`"] |
| trait Foo<Bar, Baz, Quux> |
| {} |
| |
| #[rustc_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; |
| } |
| |
| #[rustc_on_unimplemented] //~ ERROR `#[rustc_on_unimplemented]` requires a value |
| trait BadAnnotation1 |
| {} |
| |
| #[rustc_on_unimplemented = "Unimplemented trait error on `{Self}` with params `<{A},{B},{C}>`"] |
| //~^ ERROR there is no parameter C on trait BadAnnotation2 |
| trait BadAnnotation2<A,B> |
| {} |
| |
| #[rustc_on_unimplemented = "Unimplemented trait error on `{Self}` with params `<{A},{B},{}>`"] |
| //~^ only named substitution parameters are allowed |
| trait BadAnnotation3<A,B> |
| {} |
| |
| #[rustc_on_unimplemented(lorem="")] |
| //~^ this attribute must have a valid |
| trait BadAnnotation4 {} |
| |
| #[rustc_on_unimplemented(lorem(ipsum(dolor)))] |
| //~^ this attribute must have a valid |
| trait BadAnnotation5 {} |
| |
| #[rustc_on_unimplemented(message="x", message="y")] |
| //~^ this attribute must have a valid |
| trait BadAnnotation6 {} |
| |
| #[rustc_on_unimplemented(message="x", on(desugared, message="y"))] |
| //~^ this attribute must have a valid |
| trait BadAnnotation7 {} |
| |
| #[rustc_on_unimplemented(on(), message="y")] |
| //~^ empty `on`-clause |
| trait BadAnnotation8 {} |
| |
| #[rustc_on_unimplemented(on="x", message="y")] |
| //~^ this attribute must have a valid |
| trait BadAnnotation9 {} |
| |
| #[rustc_on_unimplemented(on(x="y"), message="y")] |
| trait BadAnnotation10 {} |
| |
| #[rustc_on_unimplemented(on(desugared, on(desugared, message="x")), message="y")] |
| //~^ this attribute must have a valid |
| trait BadAnnotation11 {} |
| |
| pub fn main() { |
| } |