Add an opt-out in pretty printing for RTN rendering #138126
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r? oli-obk |
compiler-errors
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Mar 12, 2025
| @@ -15,6 +15,10 @@ note: required by a bound in `is_send` | |||
| | | |||
| LL | fn is_send(_: impl Send) {} | |||
| | ^^^^ required by this bound in `is_send` | |||
| help: consider further restricting the associated type | |||
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…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#138126 (Add an opt-out in pretty printing for RTN rendering) - rust-lang#138399 (Delegation: allow foreign fns `reuse`) - rust-lang#138406 (Update mdbook to 0.4.47) - rust-lang#138417 (minor interpreter cleanups) - rust-lang#138420 (Adapt to LLVM dropping CfiFunctionIndex::begin()/end()) - rust-lang#138423 (Don't emit error within cast function, propagate it as a `CastError`) - rust-lang#138425 (Remove `feature = "hash_raw_entry"`) - rust-lang#138427 (Fix RISC-V VxWorks LLVM target triples) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup merge of rust-lang#138126 - compiler-errors:rtn-for-sugg, r=oli-obk Add an opt-out in pretty printing for RTN rendering Today, we render RPITIT types like `impl Sized { T::method(..) }` when RTN is enabled. This is very useful for diagnostics, since it's often not clear what the `impl Sized` type means by itself, and it makes it clear that that's an RPITIT that can be bounded using RTN syntax. See rust-lang#115624. However, since we don't distinguish types that are rendered for the purposes of printing messages vs suggestions, this representation leaks into suggestions and turns into code that can't be parsed. This PR adds a new `with_types_for_suggestion! {}` and `with_types_for_signature! {}` options to the pretty printing architecture to make it clear that we're rendering a type for code suggestions. This can be applied later as we find that we need it.
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Today, we render RPITIT types like
impl Sized { T::method(..) }when RTN is enabled. This is very useful for diagnostics, since it's often not clear what theimpl Sizedtype means by itself, and it makes it clear that that's an RPITIT that can be bounded using RTN syntax. See #115624.However, since we don't distinguish types that are rendered for the purposes of printing messages vs suggestions, this representation leaks into suggestions and turns into code that can't be parsed. This PR adds a new
with_types_for_suggestion! {}andwith_types_for_signature! {}options to the pretty printing architecture to make it clear that we're rendering a type for code suggestions.This can be applied later as we find that we need it.