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bors f8e5660532 Auto merge of #118958 - c410-f3r:concat-again, r=petrochenkov 
Add a new concat metavar expr

Revival of #111930

Giving it another try now that #117050 was merged.

With the new rules, meta-variable expressions must be referenced with a dollar sign (`$`) and this can cause misunderstands with `$concat`.

```rust
macro_rules! foo {
    ( $bar:ident ) => {
        const ${concat(VAR, bar)}: i32 = 1;
    };
}

// Will produce `VARbar` instead of `VAR_123`
foo!(_123);
```

In other words, forgetting the dollar symbol can produce undesired outputs.

cc #29599
cc https://github.com/rust-lang/rust/issues/124225
2024-06-14 16:41:39 +00:00
..
rustc Change SIGPIPE ui from #[unix_sigpipe = "..."] to -Zon-broken-pipe=... 2024-05-02 19:48:29 +02:00
rustc_abi Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_arena Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_ast Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_ast_ir Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_ast_lowering Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_ast_passes Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_ast_pretty Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_attr Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_baked_icu_data Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_borrowck Rollup merge of #126320 - oli-obk:pat_ice, r=lcnr 2024-06-14 08:35:48 +02:00
rustc_builtin_macros Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_codegen_cranelift Auto merge of #126319 - workingjubilee:rollup-lendnud, r=workingjubilee 2024-06-12 11:10:50 +00:00
rustc_codegen_gcc ScalarInt: size mismatches are a bug, do not delay the panic 2024-06-10 13:43:16 +02:00
rustc_codegen_llvm Rollup merge of #126324 - zmodem:loongarch, r=nikic 2024-06-12 14:26:28 -04:00
rustc_codegen_ssa Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_const_eval Rollup merge of #126426 - RalfJung:dangling-zst-ice, r=oli-obk 2024-06-14 12:23:38 +02:00
rustc_data_structures Rollup merge of #126368 - nnethercote:rm-more-unused-crate-deps, r=jackh726 2024-06-14 08:35:50 +02:00
rustc_driver Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_driver_impl Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_error_codes Auto merge of #126319 - workingjubilee:rollup-lendnud, r=workingjubilee 2024-06-12 11:10:50 +00:00
rustc_error_messages Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_errors Auto merge of #125410 - fmease:adj-lint-diag-api, r=nnethercote 2024-05-27 08:44:12 +00:00
rustc_expand Add a new concat metavar expr 2024-06-13 22:12:26 -03:00
rustc_feature Auto merge of #118958 - c410-f3r:concat-again, r=petrochenkov 2024-06-14 16:41:39 +00:00
rustc_fluent_macro Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_fs_util Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_graphviz Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_hir Rollup merge of #126054 - veera-sivarajan:bugfix-113073-bound-on-generics-2, r=fee1-dead 2024-06-14 12:23:36 +02:00
rustc_hir_analysis Rollup merge of #126054 - veera-sivarajan:bugfix-113073-bound-on-generics-2, r=fee1-dead 2024-06-14 12:23:36 +02:00
rustc_hir_pretty Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_hir_typeck Rollup merge of #126320 - oli-obk:pat_ice, r=lcnr 2024-06-14 08:35:48 +02:00
rustc_incremental Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_index Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_index_macros Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_infer Rollup merge of #126368 - nnethercote:rm-more-unused-crate-deps, r=jackh726 2024-06-14 08:35:50 +02:00
rustc_interface Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_lexer Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_lint Auto merge of #126273 - pietroalbini:pa-bootstrap-update, r=Mark-Simulacrum 2024-06-12 18:15:32 +00:00
rustc_lint_defs Fixup links in lint docs 2024-06-13 12:24:31 +02:00
rustc_llvm Auto merge of #125141 - SergioGasquez:feat/no_std-xtensa, r=davidtwco 2024-06-12 13:43:31 +00:00
rustc_log Bump tracing-tree and allow rendering lines again 2024-06-12 10:11:41 +00:00
rustc_macros Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_metadata Only compute specializes query if specialization is enabled in the crate of the specialized impl 2024-06-07 15:58:50 -04:00
rustc_middle Rollup merge of #123962 - oli-obk:define_opaque_types5, r=lcnr 2024-06-14 08:35:46 +02:00
rustc_mir_build Add TODO comment to unsafe env modification 2024-06-12 17:51:18 +02:00
rustc_mir_dataflow Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_mir_transform Rollup merge of #126392 - WaffleLapkin:gvn-style-ish-changes, r=scottmcm 2024-06-13 22:55:48 +02:00
rustc_monomorphize Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_next_trait_solver Remove some unused crate dependencies. 2024-06-10 19:55:49 +10:00
rustc_parse Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_parse_format Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_passes Rollup merge of #126315 - mu001999-contrib:fix/126289, r=petrochenkov 2024-06-13 22:55:45 +02:00
rustc_pattern_analysis Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_privacy Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_query_impl Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_query_system Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_resolve Tweak output of import suggestions 2024-06-13 20:22:21 +00:00
rustc_sanitizers Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_serialize Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_session Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_smir Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_span Auto merge of #118958 - c410-f3r:concat-again, r=petrochenkov 2024-06-14 16:41:39 +00:00
rustc_symbol_mangling Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_target Rollup merge of #126324 - zmodem:loongarch, r=nikic 2024-06-12 14:26:28 -04:00
rustc_trait_selection Address nits 2024-06-13 09:47:45 -04:00
rustc_traits Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_transmute safe transmute: support Variants::Single enums 2024-06-13 01:38:51 +00:00
rustc_ty_utils Use tidy to sort crate attributes for all compiler crates. 2024-06-12 15:49:10 +10:00
rustc_type_ir Address nits 2024-06-13 09:47:45 -04:00
rustc_type_ir_macros Uplift TraitPredicate 2024-05-11 18:20:00 -04:00
stable_mir Rollup merge of #126366 - celinval:issue-0080-def-ty, r=oli-obk 2024-06-13 13:05:25 +02:00