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b3aa8e7168
Suggest desugaring to return-position `impl Future` when an `async fn` in trait fails an auto trait bound First commit allows us to store the span of the `async` keyword in HIR. Second commit implements a suggestion to desugar an `async fn` to a return-position `impl Future` in trait to slightly improve the `Send` situation being discussed in #115822. This suggestion is only made when `#![feature(return_type_notation)]` is not enabled -- if it is, we should instead suggest an appropriate where-clause bound. |
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| assembly | ||
| auxiliary | ||
| codegen | ||
| codegen-units | ||
| coverage-map | ||
| debuginfo | ||
| incremental | ||
| mir-opt | ||
| pretty | ||
| run-coverage | ||
| run-coverage-rustdoc | ||
| run-make | ||
| run-make-fulldeps | ||
| run-pass-valgrind | ||
| rustdoc | ||
| rustdoc-gui | ||
| rustdoc-js | ||
| rustdoc-js-std | ||
| rustdoc-json | ||
| rustdoc-ui | ||
| ui | ||
| ui-fulldeps | ||
| COMPILER_TESTS.md | ||