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ZalatharZalathar
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Rollup merge of rust-lang#140202 - est31:let_chains_feature_compiler, r=lcnr
Make #![feature(let_chains)] bootstrap conditional in compiler/ Let chains have been stabilized recently in rust-lang#132833, so we can remove the gating from our uses in the compiler (as the compiler uses edition 2024).
2 parents 6d371c5 + 7493e1c commit f108448

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‎compiler/rustc_ast/src/lib.rs

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@@ -6,6 +6,7 @@
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// tidy-alphabetical-start
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#![allow(internal_features)]
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![doc(
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html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/",
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test(attr(deny(warnings)))
@@ -14,7 +15,6 @@
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#![feature(associated_type_defaults)]
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#![feature(box_patterns)]
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#![feature(if_let_guard)]
17-
#![feature(let_chains)]
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#![feature(negative_impls)]
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#![feature(never_type)]
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#![feature(rustdoc_internals)]

‎compiler/rustc_ast_lowering/src/lib.rs

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@@ -32,12 +32,12 @@
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// tidy-alphabetical-start
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#![allow(internal_features)]
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![doc(rust_logo)]
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#![feature(assert_matches)]
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#![feature(box_patterns)]
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#![feature(exact_size_is_empty)]
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#![feature(if_let_guard)]
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#![feature(let_chains)]
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#![feature(rustdoc_internals)]
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// tidy-alphabetical-end
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‎compiler/rustc_ast_passes/src/lib.rs

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@@ -4,11 +4,11 @@
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// tidy-alphabetical-start
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#![allow(internal_features)]
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![doc(rust_logo)]
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#![feature(box_patterns)]
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#![feature(if_let_guard)]
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#![feature(iter_is_partitioned)]
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#![feature(let_chains)]
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#![feature(rustdoc_internals)]
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// tidy-alphabetical-end
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‎compiler/rustc_attr_data_structures/src/lib.rs

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@@ -1,7 +1,7 @@
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// tidy-alphabetical-start
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#![allow(internal_features)]
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![doc(rust_logo)]
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#![feature(let_chains)]
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#![feature(rustdoc_internals)]
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// tidy-alphabetical-end
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‎compiler/rustc_attr_parsing/src/lib.rs

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@@ -77,8 +77,8 @@
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// tidy-alphabetical-start
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#![allow(internal_features)]
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![doc(rust_logo)]
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#![feature(let_chains)]
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#![feature(rustdoc_internals)]
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// tidy-alphabetical-end
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‎compiler/rustc_borrowck/src/lib.rs

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@@ -2,12 +2,12 @@
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// tidy-alphabetical-start
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#![allow(internal_features)]
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![doc(rust_logo)]
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#![feature(assert_matches)]
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#![feature(box_patterns)]
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#![feature(file_buffered)]
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#![feature(if_let_guard)]
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#![feature(let_chains)]
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#![feature(negative_impls)]
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#![feature(never_type)]
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#![feature(rustc_attrs)]

‎compiler/rustc_builtin_macros/src/lib.rs

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@@ -5,14 +5,14 @@
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#![allow(internal_features)]
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#![allow(rustc::diagnostic_outside_of_impl)]
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#![allow(rustc::untranslatable_diagnostic)]
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
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#![doc(rust_logo)]
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#![feature(assert_matches)]
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#![feature(autodiff)]
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#![feature(box_patterns)]
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#![feature(decl_macro)]
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#![feature(if_let_guard)]
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#![feature(let_chains)]
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#![feature(proc_macro_internals)]
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#![feature(proc_macro_quote)]
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#![feature(rustdoc_internals)]

‎compiler/rustc_codegen_llvm/src/lib.rs

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@@ -6,6 +6,7 @@
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// tidy-alphabetical-start
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#![allow(internal_features)]
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
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#![doc(rust_logo)]
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#![feature(assert_matches)]
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#![feature(if_let_guard)]
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#![feature(impl_trait_in_assoc_type)]
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#![feature(iter_intersperse)]
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#![feature(let_chains)]
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#![feature(rustdoc_internals)]
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#![feature(slice_as_array)]
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#![feature(try_blocks)]

‎compiler/rustc_codegen_ssa/src/lib.rs

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@@ -2,13 +2,13 @@
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#![allow(internal_features)]
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#![allow(rustc::diagnostic_outside_of_impl)]
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#![allow(rustc::untranslatable_diagnostic)]
5+
#![cfg_attr(bootstrap, feature(let_chains))]
56
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
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#![doc(rust_logo)]
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#![feature(assert_matches)]
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#![feature(box_patterns)]
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#![feature(file_buffered)]
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#![feature(if_let_guard)]
11-
#![feature(let_chains)]
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#![feature(negative_impls)]
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#![feature(rustdoc_internals)]
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#![feature(string_from_utf8_lossy_owned)]

‎compiler/rustc_const_eval/src/lib.rs

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// tidy-alphabetical-start
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#![allow(internal_features)]
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#![allow(rustc::diagnostic_outside_of_impl)]
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![doc(rust_logo)]
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#![feature(assert_matches)]
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#![feature(box_patterns)]
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#![feature(decl_macro)]
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#![feature(if_let_guard)]
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#![feature(let_chains)]
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#![feature(never_type)]
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#![feature(rustdoc_internals)]
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#![feature(slice_ptr_get)]

‎compiler/rustc_driver_impl/src/lib.rs

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@@ -7,10 +7,10 @@
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// tidy-alphabetical-start
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#![allow(internal_features)]
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#![allow(rustc::untranslatable_diagnostic)] // FIXME: make this translatable
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
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#![doc(rust_logo)]
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#![feature(decl_macro)]
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#![feature(let_chains)]
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#![feature(panic_backtrace_config)]
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#![feature(panic_update_hook)]
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#![feature(result_flattening)]

‎compiler/rustc_errors/src/lib.rs

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@@ -7,6 +7,7 @@
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#![allow(internal_features)]
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#![allow(rustc::diagnostic_outside_of_impl)]
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#![allow(rustc::untranslatable_diagnostic)]
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
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#![doc(rust_logo)]
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#![feature(array_windows)]
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#![feature(default_field_values)]
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#![feature(error_reporter)]
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#![feature(if_let_guard)]
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#![feature(let_chains)]
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#![feature(negative_impls)]
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#![feature(never_type)]
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#![feature(rustc_attrs)]

‎compiler/rustc_expand/src/lib.rs

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@@ -1,11 +1,11 @@
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// tidy-alphabetical-start
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#![allow(internal_features)]
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#![allow(rustc::diagnostic_outside_of_impl)]
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![doc(rust_logo)]
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#![feature(array_windows)]
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#![feature(associated_type_defaults)]
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#![feature(if_let_guard)]
8-
#![feature(let_chains)]
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#![feature(macro_metavar_expr)]
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#![feature(map_try_insert)]
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#![feature(proc_macro_diagnostic)]

‎compiler/rustc_hir/src/lib.rs

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@@ -4,12 +4,12 @@
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// tidy-alphabetical-start
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#![allow(internal_features)]
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![feature(associated_type_defaults)]
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#![feature(box_patterns)]
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#![feature(closure_track_caller)]
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#![feature(debug_closure_helpers)]
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#![feature(exhaustive_patterns)]
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#![feature(let_chains)]
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#![feature(negative_impls)]
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#![feature(never_type)]
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#![feature(rustc_attrs)]

‎compiler/rustc_hir_analysis/src/lib.rs

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@@ -59,6 +59,7 @@ This API is completely unstable and subject to change.
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#![allow(internal_features)]
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#![allow(rustc::diagnostic_outside_of_impl)]
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#![allow(rustc::untranslatable_diagnostic)]
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
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#![doc(rust_logo)]
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#![feature(assert_matches)]
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#![feature(if_let_guard)]
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#![feature(iter_from_coroutine)]
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#![feature(iter_intersperse)]
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#![feature(let_chains)]
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#![feature(never_type)]
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#![feature(rustdoc_internals)]
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#![feature(slice_partition_dedup)]

‎compiler/rustc_hir_pretty/src/lib.rs

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//! the definitions in this file have equivalents in `rustc_ast_pretty`.
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// tidy-alphabetical-start
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#![feature(let_chains)]
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![recursion_limit = "256"]
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// tidy-alphabetical-end
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‎compiler/rustc_hir_typeck/src/lib.rs

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// tidy-alphabetical-start
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#![allow(rustc::diagnostic_outside_of_impl)]
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#![allow(rustc::untranslatable_diagnostic)]
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#![cfg_attr(bootstrap, feature(let_chains))]
45
#![feature(array_windows)]
56
#![feature(box_patterns)]
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#![feature(if_let_guard)]
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#![feature(iter_intersperse)]
8-
#![feature(let_chains)]
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#![feature(never_type)]
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#![feature(try_blocks)]
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// tidy-alphabetical-end

‎compiler/rustc_infer/src/lib.rs

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#![allow(internal_features)]
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#![allow(rustc::diagnostic_outside_of_impl)]
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#![allow(rustc::untranslatable_diagnostic)]
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
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#![doc(rust_logo)]
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#![feature(assert_matches)]
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#![feature(extend_one)]
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#![feature(iterator_try_collect)]
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#![feature(let_chains)]
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#![feature(rustdoc_internals)]
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#![recursion_limit = "512"] // For rustdoc
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// tidy-alphabetical-end

‎compiler/rustc_interface/src/lib.rs

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// tidy-alphabetical-start
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![feature(decl_macro)]
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#![feature(file_buffered)]
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#![feature(iter_intersperse)]
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#![feature(let_chains)]
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#![feature(try_blocks)]
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// tidy-alphabetical-end
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‎compiler/rustc_lint/src/lib.rs

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// tidy-alphabetical-start
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#![allow(internal_features)]
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
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#![doc(rust_logo)]
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#![feature(array_windows)]
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#![feature(assert_matches)]
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#![feature(box_patterns)]
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#![feature(if_let_guard)]
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#![feature(iter_order_by)]
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#![feature(let_chains)]
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#![feature(rustc_attrs)]
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#![feature(rustdoc_internals)]
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#![feature(try_blocks)]

‎compiler/rustc_macros/src/lib.rs

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// tidy-alphabetical-start
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#![allow(rustc::default_hash_types)]
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![feature(if_let_guard)]
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#![feature(let_chains)]
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#![feature(never_type)]
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#![feature(proc_macro_diagnostic)]
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#![feature(proc_macro_span)]

‎compiler/rustc_metadata/src/lib.rs

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// tidy-alphabetical-start
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#![allow(internal_features)]
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
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#![doc(rust_logo)]
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#![feature(coroutines)]
@@ -8,7 +9,6 @@
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#![feature(file_buffered)]
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#![feature(if_let_guard)]
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#![feature(iter_from_coroutine)]
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#![feature(let_chains)]
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#![feature(macro_metavar_expr)]
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#![feature(min_specialization)]
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#![feature(never_type)]

‎compiler/rustc_middle/src/lib.rs

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#![allow(rustc::diagnostic_outside_of_impl)]
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#![allow(rustc::potential_query_instability)]
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#![allow(rustc::untranslatable_diagnostic)]
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
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#![doc(rust_logo)]
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#![feature(allocator_api)]
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#![feature(if_let_guard)]
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#![feature(intra_doc_pointers)]
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#![feature(iter_from_coroutine)]
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#![feature(let_chains)]
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#![feature(min_specialization)]
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#![feature(negative_impls)]
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#![feature(never_type)]

‎compiler/rustc_mir_build/src/lib.rs

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// tidy-alphabetical-start
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#![allow(rustc::diagnostic_outside_of_impl)]
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#![allow(rustc::untranslatable_diagnostic)]
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![feature(assert_matches)]
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#![feature(box_patterns)]
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#![feature(if_let_guard)]
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#![feature(let_chains)]
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#![feature(try_blocks)]
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// tidy-alphabetical-end
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‎compiler/rustc_mir_dataflow/src/lib.rs

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// tidy-alphabetical-start
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![feature(assert_matches)]
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#![feature(associated_type_defaults)]
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#![feature(box_patterns)]
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#![feature(exact_size_is_empty)]
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#![feature(file_buffered)]
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#![feature(let_chains)]
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#![feature(never_type)]
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#![feature(try_blocks)]
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// tidy-alphabetical-end

‎compiler/rustc_mir_transform/src/lib.rs

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// tidy-alphabetical-start
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![feature(array_windows)]
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#![feature(assert_matches)]
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#![feature(box_patterns)]
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#![feature(file_buffered)]
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#![feature(if_let_guard)]
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#![feature(impl_trait_in_assoc_type)]
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#![feature(let_chains)]
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#![feature(map_try_insert)]
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#![feature(never_type)]
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#![feature(try_blocks)]

‎compiler/rustc_monomorphize/src/lib.rs

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// tidy-alphabetical-start
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![feature(array_windows)]
34
#![feature(file_buffered)]
45
#![feature(if_let_guard)]
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#![feature(impl_trait_in_assoc_type)]
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#![feature(let_chains)]
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// tidy-alphabetical-end
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use rustc_hir::lang_items::LangItem;

‎compiler/rustc_parse/src/lib.rs

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@@ -4,13 +4,13 @@
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#![allow(internal_features)]
55
#![allow(rustc::diagnostic_outside_of_impl)]
66
#![allow(rustc::untranslatable_diagnostic)]
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![feature(array_windows)]
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#![feature(assert_matches)]
910
#![feature(box_patterns)]
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#![feature(debug_closure_helpers)]
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#![feature(if_let_guard)]
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#![feature(iter_intersperse)]
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#![feature(let_chains)]
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#![feature(string_from_utf8_lossy_owned)]
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// tidy-alphabetical-end
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‎compiler/rustc_passes/src/lib.rs

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// tidy-alphabetical-start
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#![allow(internal_features)]
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#![cfg_attr(bootstrap, feature(let_chains))]
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#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
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#![doc(rust_logo)]
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#![feature(let_chains)]
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#![feature(map_try_insert)]
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#![feature(rustdoc_internals)]
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#![feature(try_blocks)]

‎compiler/rustc_pattern_analysis/src/lib.rs

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#![allow(rustc::diagnostic_outside_of_impl)]
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#![allow(rustc::untranslatable_diagnostic)]
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#![allow(unused_crate_dependencies)]
9-
#![cfg_attr(feature = "rustc", feature(let_chains))]
9+
#![cfg_attr(all(feature = "rustc", bootstrap), feature(let_chains))]
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// tidy-alphabetical-end
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pub mod constructor;

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