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7402519c63
rust/compiler
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bors 7402519c63 Auto merge of #109010 - compiler-errors:rtn, r=eholk 
Initial support for return type notation (RTN)

See: https://smallcultfollowing.com/babysteps/blog/2023/02/13/return-type-notation-send-bounds-part-2/

1. Only supports `T: Trait<method(): Send>` style bounds, not `<T as Trait>::method(): Send`. Checking validity and injecting an implicit binder for all of the late-bound method generics is harder to do for the latter.
    * I'd add this in a follow-up.
3. ~Doesn't support RTN in general type position, i.e. no `let x: <T as Trait>::method() = ...`~
    * I don't think we actually want this.
5. Doesn't add syntax for "eliding" the function args -- i.e. for now, we write `method(): Send` instead of `method(..): Send`.
    * May be a hazard if we try to add it in the future. I'll probably add it in a follow-up later, with a structured suggestion to change `method()` to `method(..)` once we add it.
7. ~I'm not in love with the feature gate name 😺~
    * I renamed it to `return_type_notation` ✔️

Follow-up PRs will probably add support for `where T::method(): Send` bounds. I'm not sure if we ever want to support return-type-notation in arbitrary type positions. I may also make the bounds require `..` in the args list later.

r? `@ghost`
2023-03-31 18:04:12 +00:00
..
rustc fix link 2023-03-11 10:53:47 -06:00
rustc_abi Move mir::Field → abi::FieldIdx 2023-03-28 22:22:37 -07:00
rustc_apfloat
rustc_arena
rustc_ast Auto merge of #109010 - compiler-errors:rtn, r=eholk 2023-03-31 18:04:12 +00:00
rustc_ast_lowering Auto merge of #109010 - compiler-errors:rtn, r=eholk 2023-03-31 18:04:12 +00:00
rustc_ast_passes Add (..) syntax for RTN 2023-03-28 01:14:28 +00:00
rustc_ast_pretty Add (..) syntax for RTN 2023-03-28 01:14:28 +00:00
rustc_attr Bless tidy 2023-03-27 18:58:07 +00:00
rustc_baked_icu_data update ICU4X to 1.1.0 2023-02-04 22:28:59 +01:00
rustc_borrowck Auto merge of #109762 - scottmcm:variantdef-indexvec, r=WaffleLapkin 2023-03-31 03:36:18 +00:00
rustc_builtin_macros Rollup merge of #109354 - Swatinem:rm-closureid, r=compiler-errors 2023-03-27 18:56:19 +02:00
rustc_codegen_cranelift Auto merge of #98112 - saethlin:mir-alignment-checks, r=oli-obk 2023-03-31 08:50:35 +00:00
rustc_codegen_gcc Update gccjit and remove libc 0.1 dependency 2023-03-30 18:30:56 +02:00
rustc_codegen_llvm Auto merge of #109762 - scottmcm:variantdef-indexvec, r=WaffleLapkin 2023-03-31 03:36:18 +00:00
rustc_codegen_ssa Auto merge of #98112 - saethlin:mir-alignment-checks, r=oli-obk 2023-03-31 08:50:35 +00:00
rustc_const_eval Auto merge of #98112 - saethlin:mir-alignment-checks, r=oli-obk 2023-03-31 08:50:35 +00:00
rustc_data_structures Rollup merge of #109758 - nnethercote:parallel-cleanups, r=cjgillot 2023-03-30 12:42:21 -07:00
rustc_driver Remove unneeded extern crate 2023-02-02 07:47:39 +01:00
rustc_driver_impl Stabilize a portion of 'once_cell' 2023-03-29 18:04:44 -04:00
rustc_error_codes Rollup merge of #109565 - WaffleLapkin:better_docs_for_e0223, r=oli-obk 2023-03-28 07:01:08 +02:00
rustc_error_messages Stabilize a portion of 'once_cell' 2023-03-29 18:04:44 -04:00
rustc_errors Create AnnotationColumn struct to fix hard tab column numbers in errors 2023-03-28 09:18:55 -04:00
rustc_expand Add (..) syntax for RTN 2023-03-28 01:14:28 +00:00
rustc_feature Auto merge of #109010 - compiler-errors:rtn, r=eholk 2023-03-31 18:04:12 +00:00
rustc_fs_util Add try_canonicalize to rustc_fs_util and use it over fs::canonicalize 2023-03-16 21:50:23 +01:00
rustc_graphviz
rustc_hir Auto merge of #109010 - compiler-errors:rtn, r=eholk 2023-03-31 18:04:12 +00:00
rustc_hir_analysis Auto merge of #109010 - compiler-errors:rtn, r=eholk 2023-03-31 18:04:12 +00:00
rustc_hir_pretty Add (..) syntax for RTN 2023-03-28 01:14:28 +00:00
rustc_hir_typeck Update ty::VariantDef to use IndexVec<FieldIdx, FieldDef> 2023-03-30 09:23:40 -07:00
rustc_incremental Check for escape sequences in Fluent resources 2023-03-29 18:34:29 +01:00
rustc_index Add IndexSlice to go with IndexVec 2023-03-30 11:19:53 -07:00
rustc_infer Update ty::VariantDef to use IndexVec<FieldIdx, FieldDef> 2023-03-30 09:23:40 -07:00
rustc_interface Stabilize a portion of 'once_cell' 2023-03-29 18:04:44 -04:00
rustc_lexer fix(lexer): not skipped whitespace warning for '\x0c' 2023-03-09 22:44:58 +08:00
rustc_lint Update ty::VariantDef to use IndexVec<FieldIdx, FieldDef> 2023-03-30 09:23:40 -07:00
rustc_lint_defs Rollup merge of #108588 - ehuss:lint-docs-produces, r=eholk 2023-03-23 19:55:45 +01:00
rustc_llvm Auto merge of #109720 - Dylan-DPC:rollup-u564m8s, r=Dylan-DPC 2023-03-29 09:45:26 +00:00
rustc_log Rollup merge of #107895 - matthiaskrgr:cl, r=compiler-errors 2023-02-11 17:18:44 +01:00
rustc_macros Check for escape sequences in Fluent resources 2023-03-29 18:34:29 +01:00
rustc_metadata Auto merge of #105587 - tgross35:once-cell-min, r=m-ou-se 2023-03-30 10:12:23 +00:00
rustc_middle Auto merge of #98112 - saethlin:mir-alignment-checks, r=oli-obk 2023-03-31 08:50:35 +00:00
rustc_mir_build Auto merge of #109762 - scottmcm:variantdef-indexvec, r=WaffleLapkin 2023-03-31 03:36:18 +00:00
rustc_mir_dataflow Auto merge of #109762 - scottmcm:variantdef-indexvec, r=WaffleLapkin 2023-03-31 03:36:18 +00:00
rustc_mir_transform Auto merge of #98112 - saethlin:mir-alignment-checks, r=oli-obk 2023-03-31 08:50:35 +00:00
rustc_monomorphize Auto merge of #109762 - scottmcm:variantdef-indexvec, r=WaffleLapkin 2023-03-31 03:36:18 +00:00
rustc_parse Add (..) syntax for RTN 2023-03-28 01:14:28 +00:00
rustc_parse_format Improve heuristics for format_args literal being suggestable 2023-03-14 13:20:39 +00:00
rustc_passes Auto merge of #109010 - compiler-errors:rtn, r=eholk 2023-03-31 18:04:12 +00:00
rustc_plugin_impl expand: Pass ast::Crate by reference to AST transforming passes 2023-03-23 14:20:55 +04:00
rustc_privacy Auto merge of #109762 - scottmcm:variantdef-indexvec, r=WaffleLapkin 2023-03-31 03:36:18 +00:00
rustc_query_impl Stabilize a portion of 'once_cell' 2023-03-29 18:04:44 -04:00
rustc_query_system Remove an out-of-date comment on QueryCache::lookup. 2023-03-30 21:14:43 +11:00
rustc_resolve Auto merge of #109010 - compiler-errors:rtn, r=eholk 2023-03-31 18:04:12 +00:00
rustc_serialize Update indexmap and rayon crates 2023-03-25 02:12:13 +01:00
rustc_session Rollup merge of #109522 - bzEq:aix-current-dll-path, r=Nilstrieb 2023-03-30 12:42:18 -07:00
rustc_smir Add Debug and Clone derives for stable mir datastructures 2023-03-16 16:17:25 +00:00
rustc_span Auto merge of #109010 - compiler-errors:rtn, r=eholk 2023-03-31 18:04:12 +00:00
rustc_symbol_mangling Support TLS access into dylibs on Windows 2023-03-29 08:55:21 +02:00
rustc_target Auto merge of #108996 - pnkfelix:rollback-part-of-pr-104137-that-broke-wasm-linker-overriding, r=petrochenkov 2023-03-29 19:18:46 +00:00
rustc_trait_selection Auto merge of #109762 - scottmcm:variantdef-indexvec, r=WaffleLapkin 2023-03-31 03:36:18 +00:00
rustc_traits Rename AliasEq -> AliasRelate 2023-03-23 05:56:40 +00:00
rustc_transmute rustc_middle: Remove trait DefIdTree 2023-03-02 23:46:44 +04:00
rustc_ty_utils Auto merge of #109762 - scottmcm:variantdef-indexvec, r=WaffleLapkin 2023-03-31 03:36:18 +00:00
rustc_type_ir Generate simpler MIR for shifts 2023-03-22 13:32:12 -07:00