1. The Unstable Book
2. 1. Compiler environment variables
   1. 1.1. COLORTERM
   2. 1.2. QNX_TARGET
   3. 1.3. RUSTC_BLESS
   4. 1.4. RUSTC_BOOTSTRAP
   5. 1.5. RUSTC_BREAK_ON_ICE
   6. 1.6. RUSTC_CTFE_BACKTRACE
   7. 1.7. RUSTC_FORCE_RUSTC_VERSION
   8. 1.8. RUSTC_GRAPHVIZ_FONT
   9. 1.9. RUSTC_ICE
   10. 1.10. RUSTC_LOG
   11. 1.11. RUSTC_OVERRIDE_VERSION_STRING
   12. 1.12. RUSTC_WINDOWS_RC
   13. 1.13. RUST_BACKTRACE
   14. 1.14. RUST_DEP_GRAPH
   15. 1.15. RUST_DEP_GRAPH_FILTER
   16. 1.16. RUST_FORBID_DEP_GRAPH_EDGE
   17. 1.17. RUST_MIN_STACK
   18. 1.18. RUST_TARGET_PATH
   19. 1.19. SDKROOT
   20. 1.20. TERM
   21. 1.21. UNSTABLE_RUSTDOC_TEST_LINE
   22. 1.22. UNSTABLE_RUSTDOC_TEST_PATH
3. 2. Compiler flags
   1. 2.1. allow_features
   2. 2.2. allow_partial_mitigations
   3. 2.3. always_encode_mir
   4. 2.4. annotate_moves
   5. 2.5. assert_incr_state
   6. 2.6. assume_incomplete_release
   7. 2.7. assumptions_on_binders
   8. 2.8. autodiff
   9. 2.9. autodiff_post_passes
   10. 2.10. binary_dep_depinfo
   11. 2.11. box_noalias
   12. 2.12. branch_protection
   13. 2.13. build_sdylib_interface
   14. 2.14. cache_proc_macros
   15. 2.15. cf_protection
   16. 2.16. check_cfg_all_expected
   17. 2.17. checksum_hash_algorithm
   18. 2.18. codegen_backend
   19. 2.19. codegen_emit_retag
   20. 2.20. codegen_options
   21. 2.21. codegen_source_order
   22. 2.22. contract_checks
   23. 2.23. control_flow_guard
   24. 2.24. coverage_options
   25. 2.25. crate_attr
   26. 2.26. cross_crate_inline_threshold
   27. 2.27. debug_info_type_line_numbers
   28. 2.28. debug_info_type_line_numbers
   29. 2.29. debuginfo_compression
   30. 2.30. debuginfo_for_profiling
   31. 2.31. debuginfo_for_profiling
   32. 2.32. deduplicate_diagnostics
   33. 2.33. default_visibility
   34. 2.34. deny_partial_mitigations
   35. 2.35. dep_info_omit_d_target
   36. 2.36. direct_access_external_data
   37. 2.37. disable_fast_paths
   38. 2.38. disable_incr_comp_backend_caching
   39. 2.39. disable_param_env_normalization_hack
   40. 2.40. dual_proc_macros
   41. 2.41. dump_dep_graph
   42. 2.42. dump_mir
   43. 2.43. dump_mir_dataflow
   44. 2.44. dump_mir_dir
   45. 2.45. dump_mir_exclude_alloc_bytes
   46. 2.46. dump_mir_exclude_pass_number
   47. 2.47. dump_mir_graphviz
   48. 2.48. dump_mono_stats
   49. 2.49. dump_mono_stats_format
   50. 2.50. dwarf_version
   51. 2.51. dylib_lto
   52. 2.52. eagerly_emit_delayed_bugs
   53. 2.53. ehcont_guard
   54. 2.54. embed_metadata
   55. 2.55. embed_source
   56. 2.56. emit_stack_sizes
   57. 2.57. enforce_type_length_limit
   58. 2.58. env_set
   59. 2.59. experimental_default_bounds
   60. 2.60. export_executable_symbols
   61. 2.61. extern_options
   62. 2.62. external_clangrt
   63. 2.63. extra_const_ub_checks
   64. 2.64. fewer_names
   65. 2.65. fixed_x18
   66. 2.66. flatten_format_args
   67. 2.67. fmt_debug
   68. 2.68. force_intrinsic_fallback
   69. 2.69. force_unstable_if_unmarked
   70. 2.70. function_return
   71. 2.71. function_sections
   72. 2.72. future_incompat_test
   73. 2.73. graphviz_dark_mode
   74. 2.74. graphviz_font
   75. 2.75. has_thread_local
   76. 2.76. help
   77. 2.77. higher_ranked_assumptions
   78. 2.78. hint_mostly_unused
   79. 2.79. hint_msrv
   80. 2.80. human_readable_cgu_names
   81. 2.81. identify_regions
   82. 2.82. ignore_directory_in_diagnostics_source_blocks
   83. 2.83. incremental_ignore_spans
   84. 2.84. incremental_info
   85. 2.85. incremental_verify_ich
   86. 2.86. indirect_branch_cs_prefix
   87. 2.87. inline_llvm
   88. 2.88. inline_mir
   89. 2.89. inline_mir_forwarder_threshold
   90. 2.90. inline_mir_hint_threshold
   91. 2.91. inline_mir_preserve_debug
   92. 2.92. inline_mir_threshold
   93. 2.93. input_stats
   94. 2.94. instrument_mcount
   95. 2.95. instrument_xray
   96. 2.96. internal_testing_features
   97. 2.97. large_data_threshold
   98. 2.98. layout_seed
   99. 2.99. link_directives
   100. 2.100. link_native_libraries
   101. 2.101. link_only
   102. 2.102. lint_llvm_ir
   103. 2.103. lint_mir
   104. 2.104. llvm_module_flag
   105. 2.105. llvm_plugins
   106. 2.106. llvm_time_trace
   107. 2.107. llvm_writable
   108. 2.108. location_detail
   109. 2.109. ls
   110. 2.110. macro_backtrace
   111. 2.111. macro_stats
   112. 2.112. maximal_hir_to_mir_coverage
   113. 2.113. merge_functions
   114. 2.114. meta_stats
   115. 2.115. metrics_dir
   116. 2.116. min_function_alignment
   117. 2.117. min_recursion_limit
   118. 2.118. mir_enable_passes
   119. 2.119. mir_include_spans
   120. 2.120. mir_opt_bisect_limit
   121. 2.121. mir_opt_level
   122. 2.122. mir_preserve_ub
   123. 2.123. mir_strip_debuginfo
   124. 2.124. move_size_limit
   125. 2.125. mutable_noalias
   126. 2.126. namespaced_crates
   127. 2.127. next_solver
   128. 2.128. nll_facts
   129. 2.129. nll_facts_dir
   130. 2.130. no_analysis
   131. 2.131. no_codegen
   132. 2.132. no_generate_arange_section
   133. 2.133. no_implied_bounds_compat
   134. 2.134. no_leak_check
   135. 2.135. no_link
   136. 2.136. no_parallel_backend
   137. 2.137. no_parallel_llvm
   138. 2.138. no_profiler_runtime
   139. 2.139. no_steal_thir
   140. 2.140. no_trait_vptr
   141. 2.141. no_unique_section_names
   142. 2.142. normalize_docs
   143. 2.143. offload
   144. 2.144. on_broken_pipe
   145. 2.145. osx_rpath_install_name
   146. 2.146. packed_bundled_libs
   147. 2.147. packed_stack
   148. 2.148. panic_abort_tests
   149. 2.149. panic_in_drop
   150. 2.150. parse_crate_root_only
   151. 2.151. patchable_function_entry
   152. 2.152. plt
   153. 2.153. polonius
   154. 2.154. pre_link_arg
   155. 2.155. pre_link_args
   156. 2.156. precise_enum_drop_elaboration
   157. 2.157. print_check_cfg
   158. 2.158. print_codegen_stats
   159. 2.159. print_codegen_stats_json
   160. 2.160. print_crate_root_lint_levels
   161. 2.161. print_llvm_passes
   162. 2.162. print_mono_items
   163. 2.163. print_supported_crate_types
   164. 2.164. print_type_sizes
   165. 2.165. proc_macro_backtrace
   166. 2.166. proc_macro_execution_strategy
   167. 2.167. profile_closures
   168. 2.168. profile_sample_use
   169. 2.169. profile_sample_use
   170. 2.170. profiler_runtime
   171. 2.171. ptrauth_elf_got
   172. 2.172. query_dep_graph
   173. 2.173. randomize_layout
   174. 2.174. reg_struct_return
   175. 2.175. regparm
   176. 2.176. relax_elf_relocations
   177. 2.177. remap_cwd_prefix
   178. 2.178. remark_dir
   179. 2.179. renormalize_rigid_aliases
   180. 2.180. report_time
   181. 2.181. retpoline
   182. 2.182. retpoline_external_thunk
   183. 2.183. sanitizer
   184. 2.184. sanitizer_cfi_canonical_jump_tables
   185. 2.185. sanitizer_cfi_generalize_pointers
   186. 2.186. sanitizer_cfi_normalize_integers
   187. 2.187. sanitizer_dataflow_abilist
   188. 2.188. sanitizer_kcfi_arity
   189. 2.189. sanitizer_memory_track_origins
   190. 2.190. sanitizer_recover
   191. 2.191. saturating_float_casts
   192. 2.192. self_profile
   193. 2.193. self_profile_counter
   194. 2.194. self_profile_events
   195. 2.195. share_generics
   196. 2.196. shell_argfiles
   197. 2.197. simulate_remapped_rust_src_base
   198. 2.198. small_data_threshold
   199. 2.199. span_debug
   200. 2.200. span_free_formats
   201. 2.201. split_dwarf_inlining
   202. 2.202. split_dwarf_kind
   203. 2.203. split_dwarf_out_dir
   204. 2.204. split_lto_unit
   205. 2.205. src_hash_algorithm
   206. 2.206. stack_protector
   207. 2.207. staticlib_allow_rdylib_deps
   208. 2.208. staticlib_hide_internal_symbols
   209. 2.209. staticlib_prefer_dynamic
   210. 2.210. staticlib_rename_internal_symbols
   211. 2.211. strict_init_checks
   212. 2.212. teach
   213. 2.213. temps_dir
   214. 2.214. terminal_urls
   215. 2.215. thinlto
   216. 2.216. threads
   217. 2.217. time_llvm_passes
   218. 2.218. time_passes
   219. 2.219. time_passes_format
   220. 2.220. tiny_const_eval_limit
   221. 2.221. tls_model
   222. 2.222. trace_macros
   223. 2.223. track_diagnostics
   224. 2.224. translate_remapped_path_to_local_path
   225. 2.225. trap_unreachable
   226. 2.226. treat_err_as_bug
   227. 2.227. trim_diagnostic_paths
   228. 2.228. tune_cpu
   229. 2.229. typing_mode_post_typeck_until_borrowck
   230. 2.230. ub_checks
   231. 2.231. ui_testing
   232. 2.232. uninit_const_chunk_threshold
   233. 2.233. unleash_the_miri_inside_of_you
   234. 2.234. unpretty
   235. 2.235. unsound_mir_opts
   236. 2.236. unstable_options
   237. 2.237. use_ctors_section
   238. 2.238. use_sync_unwind
   239. 2.239. validate_mir
   240. 2.240. verbose_asm
   241. 2.241. verbose_internals
   242. 2.242. verify_llvm_ir
   243. 2.243. virtual_function_elimination
   244. 2.244. wasi_exec_model
   245. 2.245. wasm_c_abi
   246. 2.246. write_long_types_to_disk
4. 3. Language features
   1. 3.1. aarch64_unstable_target_feature
   2. 3.2. aarch64_ver_target_feature
   3. 3.3. abi_avr_interrupt
   4. 3.4. abi_cmse_nonsecure_call
   5. 3.5. abi_custom
   6. 3.6. abi_gpu_kernel
   7. 3.7. abi_msp430_interrupt
   8. 3.8. abi_ptx
   9. 3.9. abi_riscv_interrupt
   10. 3.10. abi_swift
   11. 3.11. abi_unadjusted
   12. 3.12. abi_vectorcall
   13. 3.13. abi_x86_interrupt
   14. 3.14. adt_const_params
   15. 3.15. alloc_error_handler
   16. 3.16. allocator_internals
   17. 3.17. allow_internal_unsafe
   18. 3.18. allow_internal_unstable
   19. 3.19. anonymous_lifetime_in_impl_trait
   20. 3.20. apx_target_feature
   21. 3.21. arbitrary_self_types
   22. 3.22. arbitrary_self_types_pointers
   23. 3.23. arm_target_feature
   24. 3.24. asm_experimental_arch
   25. 3.25. asm_experimental_reg
   26. 3.26. asm_goto_with_outputs
   27. 3.27. asm_unwind
   28. 3.28. associated_type_defaults
   29. 3.29. async_drop
   30. 3.30. async_fn_in_dyn_trait
   31. 3.31. async_fn_track_caller
   32. 3.32. async_for_loop
   33. 3.33. async_trait_bounds
   34. 3.34. auto_traits
   35. 3.35. avr_target_feature
   36. 3.36. avx10_target_feature
   37. 3.37. box_patterns
   38. 3.38. bpf_target_feature
   39. 3.39. builtin_syntax
   40. 3.40. c_variadic
   41. 3.41. c_variadic_experimental_arch
   42. 3.42. c_variadic_naked_functions
   43. 3.43. cfg_contract_checks
   44. 3.44. cfg_overflow_checks
   45. 3.45. cfg_relocation_model
   46. 3.46. cfg_sanitize
   47. 3.47. cfg_sanitizer_cfi
   48. 3.48. cfg_target_compact
   49. 3.49. cfg_target_has_atomic
   50. 3.50. cfg_target_has_reliable_f16_f128
   51. 3.51. cfg_target_has_threads
   52. 3.52. cfg_target_object_format
   53. 3.53. cfg_target_thread_local
   54. 3.54. cfg_ub_checks
   55. 3.55. cfg_version
   56. 3.56. cfi_encoding
   57. 3.57. clflushopt_target_feature
   58. 3.58. closure_lifetime_binder
   59. 3.59. closure_track_caller
   60. 3.60. cmse_nonsecure_entry
   61. 3.61. compiler_builtins
   62. 3.62. const_async_blocks
   63. 3.63. const_block_items
   64. 3.64. const_c_variadic
   65. 3.65. const_closures
   66. 3.66. const_destruct
   67. 3.67. const_for
   68. 3.68. const_param_ty_unchecked
   69. 3.69. const_precise_live_drops
   70. 3.70. const_trait_impl
   71. 3.71. const_try
   72. 3.72. contracts
   73. 3.73. contracts_internals
   74. 3.74. coroutine_clone
   75. 3.75. coroutines
   76. 3.76. coverage_attribute
   77. 3.77. csky_target_feature
   78. 3.78. custom_inner_attributes
   79. 3.79. custom_mir
   80. 3.80. custom_test_frameworks
   81. 3.81. decl_macro
   82. 3.82. default_field_values
   83. 3.83. deprecated_suggestion
   84. 3.84. deref_patterns
   85. 3.85. derive_from
   86. 3.86. diagnostic_on_const
   87. 3.87. diagnostic_on_move
   88. 3.88. diagnostic_on_type_error
   89. 3.89. diagnostic_on_unknown
   90. 3.90. diagnostic_on_unmatched_args
   91. 3.91. doc_cfg
   92. 3.92. doc_masked
   93. 3.93. doc_notable_trait
   94. 3.94. dropck_eyepatch
   95. 3.95. effective_target_features
   96. 3.96. eii_internals
   97. 3.97. ergonomic_clones
   98. 3.98. ermsb_target_feature
   99. 3.99. exhaustive_patterns
   100. 3.100. explicit_extern_abis
   101. 3.101. explicit_tail_calls
   102. 3.102. export_stable
   103. 3.103. extern_item_impls
   104. 3.104. extern_types
   105. 3.105. f128
   106. 3.106. f16
   107. 3.107. ffi_const
   108. 3.108. ffi_pure
   109. 3.109. field_projections
   110. 3.110. field_representing_type_raw
   111. 3.111. final_associated_functions
   112. 3.112. fma4_target_feature
   113. 3.113. fmt_debug
   114. 3.114. fn_align
   115. 3.115. fn_delegation
   116. 3.116. freeze_impls
   117. 3.117. frontmatter
   118. 3.118. fundamental
   119. 3.119. gen_blocks
   120. 3.120. generic_assert
   121. 3.121. generic_const_args
   122. 3.122. generic_const_exprs
   123. 3.123. generic_const_items
   124. 3.124. generic_const_parameter_types
   125. 3.125. generic_pattern_types
   126. 3.126. global_registration
   127. 3.127. guard_patterns
   128. 3.128. half_open_range_patterns_in_slices
   129. 3.129. hexagon_target_feature
   130. 3.130. impl_restriction
   131. 3.131. impl_trait_in_assoc_type
   132. 3.132. impl_trait_in_bindings
   133. 3.133. impl_trait_in_fn_trait_return
   134. 3.134. import_trait_associated_functions
   135. 3.135. inherent_associated_types
   136. 3.136. instrument_fn
   137. 3.137. intra_doc_pointers
   138. 3.138. intrinsics
   139. 3.139. lahfsahf_target_feature
   140. 3.140. lang_items
   141. 3.141. large_assignments
   142. 3.142. lazy_type_alias
   143. 3.143. link_arg_attribute
   144. 3.144. link_cfg
   145. 3.145. link_llvm_intrinsics
   146. 3.146. linkage
   147. 3.147. loongarch_target_feature
   148. 3.148. loop_hints
   149. 3.149. loop_match
   150. 3.150. m68k_target_feature
   151. 3.151. macro_attr
   152. 3.152. macro_derive
   153. 3.153. macro_guard_matcher
   154. 3.154. macro_metavar_expr
   155. 3.155. macro_metavar_expr_concat
   156. 3.156. marker_trait_attr
   157. 3.157. mgca_type_const_syntax
   158. 3.158. min_adt_const_params
   159. 3.159. min_generic_const_args
   160. 3.160. min_specialization
   161. 3.161. mips_target_feature
   162. 3.162. more_maybe_bounds
   163. 3.163. more_qualified_paths
   164. 3.164. move_expr
   165. 3.165. movrs_target_feature
   166. 3.166. multiple_supertrait_upcastable
   167. 3.167. must_not_suspend
   168. 3.168. mut_ref
   169. 3.169. mut_restriction
   170. 3.170. naked_functions_rustic_abi
   171. 3.171. naked_functions_target_feature
   172. 3.172. native_link_modifiers_as_needed
   173. 3.173. needs_panic_runtime
   174. 3.174. negative_bounds
   175. 3.175. negative_impls
   176. 3.176. never_patterns
   177. 3.177. never_type
   178. 3.178. new_range
   179. 3.179. no_core
   180. 3.180. non_exhaustive_omitted_patterns_lint
   181. 3.181. non_lifetime_binders
   182. 3.182. nvptx_target_feature
   183. 3.183. offset_of_enum
   184. 3.184. offset_of_slice
   185. 3.185. optimize_attribute
   186. 3.186. panic_runtime
   187. 3.187. patchable_function_entry
   188. 3.188. pattern_complexity_limit
   189. 3.189. pattern_types
   190. 3.190. pin_ergonomics
   191. 3.191. postfix_match
   192. 3.192. powerpc_target_feature
   193. 3.193. prelude_import
   194. 3.194. prfchw_target_feature
   195. 3.195. proc_macro_hygiene
   196. 3.196. profiler_runtime
   197. 3.197. raw_dylib_elf
   198. 3.198. reborrow
   199. 3.199. ref_pat_eat_one_layer_2024
   200. 3.200. ref_pat_eat_one_layer_2024_structural
   201. 3.201. register_tool
   202. 3.202. repr_simd
   203. 3.203. return_type_notation
   204. 3.204. riscv_target_feature
   205. 3.205. rtm_target_feature
   206. 3.206. rust_cold_cc
   207. 3.207. rust_preserve_none_cc
   208. 3.208. rust_tail_cc
   209. 3.209. rustc_attrs
   210. 3.210. rustc_private
   211. 3.211. rustdoc_internals
   212. 3.212. rustdoc_missing_doc_code_examples
   213. 3.213. s390x_target_feature
   214. 3.214. sanitize
   215. 3.215. simd_ffi
   216. 3.216. sized_hierarchy
   217. 3.217. sparc_target_feature
   218. 3.218. specialization
   219. 3.219. splat
   220. 3.220. staged_api
   221. 3.221. static_align
   222. 3.222. stmt_expr_attributes
   223. 3.223. strict_provenance_lints
   224. 3.224. structural_match
   225. 3.225. super_let
   226. 3.226. supertrait_item_shadowing
   227. 3.227. test_incomplete_feature
   228. 3.228. test_unstable_lint
   229. 3.229. thread_local
   230. 3.230. trait_alias
   231. 3.231. transmute_generic_consts
   232. 3.232. transparent_unions
   233. 3.233. trivial_bounds
   234. 3.234. try_blocks
   235. 3.235. try_blocks_heterogeneous
   236. 3.236. type_alias_impl_trait
   237. 3.237. type_changing_struct_update
   238. 3.238. unboxed_closures
   239. 3.239. unnamed_enum_variants
   240. 3.240. unqualified_local_imports
   241. 3.241. unsafe_binders
   242. 3.242. unsafe_fields
   243. 3.243. unsized_const_params
   244. 3.244. unsized_fn_params
   245. 3.245. used_with_arg
   246. 3.246. view_types
   247. 3.247. wasm_target_feature
   248. 3.248. where_clause_attrs
   249. 3.249. with_negative_coherence
   250. 3.250. x86_amx_intrinsics
   251. 3.251. x87_target_feature
   252. 3.252. xop_target_feature
   253. 3.253. xtensa_target_feature
   254. 3.254. yeet_expr
   255. 3.255. yield_expr
5. 4. Library Features
   1. 4.1. abort_immediate
   2. 4.2. abort_unwind
   3. 4.3. acceptfilter
   4. 4.4. addr_parse_ascii
   5. 4.5. align_to_uninit_mut
   6. 4.6. alloc_error_hook
   7. 4.7. alloc_internals
   8. 4.8. alloc_io
   9. 4.9. alloc_slice_into_array
   10. 4.10. allocator_api
   11. 4.11. alloctests
   12. 4.12. arc_is_unique
   13. 4.13. array_into_iter_constructors
   14. 4.14. array_ptr_get
   15. 4.15. array_try_from_fn
   16. 4.16. array_try_map
   17. 4.17. ascii_char
   18. 4.18. ascii_char_variants
   19. 4.19. async_fn_traits
   20. 4.20. async_gen_internals
   21. 4.21. async_iter_from_iter
   22. 4.22. async_iterator
   23. 4.23. atomic_internals
   24. 4.24. atomic_ptr_null
   25. 4.25. autodiff
   26. 4.26. backtrace_frames
   27. 4.27. bikeshed_guaranteed_no_drop
   28. 4.28. binary_heap_as_mut_slice
   29. 4.29. binary_heap_drain_sorted
   30. 4.30. binary_heap_from_raw_vec
   31. 4.31. binary_heap_into_iter_sorted
   32. 4.32. binary_heap_peek_mut_refresh
   33. 4.33. binary_heap_pop_if
   34. 4.34. borrowed_buf_init
   35. 4.35. bound_as_ref
   36. 4.36. bound_copied
   37. 4.37. box_as_non_null
   38. 4.38. box_into_boxed_slice
   39. 4.39. box_into_inner
   40. 4.40. box_take
   41. 4.41. box_vec_non_null
   42. 4.42. breakpoint
   43. 4.43. bstr
   44. 4.44. bstr_internals
   45. 4.45. btree_cursors
   46. 4.46. btree_merge
   47. 4.47. btree_set_entry
   48. 4.48. btreemap_alloc
   49. 4.49. buf_read_has_data_left
   50. 4.50. bufreader_peek
   51. 4.51. c_size_t
   52. 4.52. c_variadic_int128
   53. 4.53. c_void_variant
   54. 4.54. can_vector
   55. 4.55. case_ignorable
   56. 4.56. casefold
   57. 4.57. cast_maybe_uninit
   58. 4.58. cell_get_cloned
   59. 4.59. cell_leak
   60. 4.60. cfg_accessible
   61. 4.61. cfg_eval
   62. 4.62. char_internals
   63. 4.63. char_to_u32
   64. 4.64. char_unassigned_private_use
   65. 4.65. clamp_magnitude
   66. 4.66. clone_from_ref
   67. 4.67. clone_to_uninit
   68. 4.68. cmp_minmax
   69. 4.69. coerce_pointee_validated
   70. 4.70. coerce_unsized
   71. 4.71. command_resolved_envs
   72. 4.72. concat_bytes
   73. 4.73. const_alloc_error
   74. 4.74. const_array
   75. 4.75. const_bool
   76. 4.76. const_btree_len
   77. 4.77. const_carrying_mul_add
   78. 4.78. const_cell_traits
   79. 4.79. const_clone
   80. 4.80. const_cmp
   81. 4.81. const_control_flow
   82. 4.82. const_convert
   83. 4.83. const_default
   84. 4.84. const_drop_guard
   85. 4.85. const_drop_in_place
   86. 4.86. const_eval_select
   87. 4.87. const_format_args
   88. 4.88. const_heap
   89. 4.89. const_index
   90. 4.90. const_iter
   91. 4.91. const_manually_drop_take
   92. 4.92. const_never_short_circuit
   93. 4.93. const_nonnull_with_exposed_provenance
   94. 4.94. const_ops
   95. 4.95. const_option_ops
   96. 4.96. const_param_ty_trait
   97. 4.97. const_path_separators
   98. 4.98. const_range
   99. 4.99. const_range_bounds
   100. 4.100. const_raw_ptr_comparison
   101. 4.101. const_ref_cell
   102. 4.102. const_result_trait_fn
   103. 4.103. const_result_unwrap_unchecked
   104. 4.104. const_select_unpredictable
   105. 4.105. const_slice_from_mut_ptr_range
   106. 4.106. const_slice_from_ptr_range
   107. 4.107. const_slice_make_iter
   108. 4.108. const_split_off_first_last
   109. 4.109. const_swap_with_slice
   110. 4.110. const_try_residual
   111. 4.111. const_type_name
   112. 4.112. const_unsigned_bigint_helpers
   113. 4.113. container_error_extra
   114. 4.114. context_ext
   115. 4.115. control_flow_into_value
   116. 4.116. convert_float_to_int
   117. 4.117. copied_into_inner
   118. 4.118. core_float_math
   119. 4.119. core_intrinsics
   120. 4.120. core_intrinsics_fallbacks
   121. 4.121. core_io
   122. 4.122. core_io_borrowed_buf
   123. 4.123. core_io_internals
   124. 4.124. core_private_bignum
   125. 4.125. core_private_diy_float
   126. 4.126. coroutine_trait
   127. 4.127. cow_is_borrowed
   128. 4.128. cstr_bytes
   129. 4.129. cstr_display
   130. 4.130. cstr_internals
   131. 4.131. current_thread_id
   132. 4.132. cursor_split
   133. 4.133. darwin_objc
   134. 4.134. deadline_api
   135. 4.135. debug_closure_helpers
   136. 4.136. dec2flt
   137. 4.137. deque_extend_front
   138. 4.138. deref_pure_trait
   139. 4.139. derive_clone_copy_internals
   140. 4.140. derive_coerce_pointee
   141. 4.141. derive_const
   142. 4.142. derive_eq_internals
   143. 4.143. derive_macro_global_path
   144. 4.144. dir_entry_ext2
   145. 4.145. dirfd
   146. 4.146. dirhandle
   147. 4.147. discriminant_kind
   148. 4.148. disjoint_bitor
   149. 4.149. dispatch_from_dyn
   150. 4.150. downcast_unchecked
   151. 4.151. drain_keep_rest
   152. 4.152. drop_guard
   153. 4.153. duration_constants
   154. 4.154. duration_constructors
   155. 4.155. duration_integer_division
   156. 4.156. duration_millis_float
   157. 4.157. duration_units
   158. 4.158. edition_panic
   159. 4.159. error_generic_member_access
   160. 4.160. error_iter
   161. 4.161. error_reporter
   162. 4.162. error_type_id
   163. 4.163. exact_bitshifts
   164. 4.164. exact_div
   165. 4.165. exact_size_is_empty
   166. 4.166. exclusive_wrapper
   167. 4.167. exit_status_error
   168. 4.168. exitcode_exit_method
   169. 4.169. extend_one
   170. 4.170. extend_one_unchecked
   171. 4.171. f32_from_f16
   172. 4.172. fd
   173. 4.173. file_buffered
   174. 4.174. float_bits_const
   175. 4.175. float_erf
   176. 4.176. float_exact_integer_constants
   177. 4.177. float_gamma
   178. 4.178. float_masks
   179. 4.179. float_minimum_maximum
   180. 4.180. flt2dec
   181. 4.181. fmt_arguments_from_str
   182. 4.182. fmt_helpers_for_derive
   183. 4.183. fmt_internals
   184. 4.184. fn_ptr_trait
   185. 4.185. fn_traits
   186. 4.186. forget_unsized
   187. 4.187. format_args_nl
   188. 4.188. formatting_options
   189. 4.189. freeze
   190. 4.190. fs_set_times
   191. 4.191. funnel_shifts
   192. 4.192. future_join
   193. 4.193. gen_future
   194. 4.194. generic_assert_internals
   195. 4.195. generic_atomic
   196. 4.196. get_disjoint_mut_helpers
   197. 4.197. get_mut_unchecked
   198. 4.198. gethostname
   199. 4.199. gpu_intrinsics
   200. 4.200. gpu_launch_sized_workgroup_mem
   201. 4.201. gpu_offload
   202. 4.202. hash_map_internals
   203. 4.203. hash_map_macro
   204. 4.204. hash_set_entry
   205. 4.205. hasher_prefixfree_extras
   206. 4.206. hashmap_internals
   207. 4.207. hint_must_use
   208. 4.208. hint_prefetch
   209. 4.209. inplace_iteration
   210. 4.210. int_from_ascii
   211. 4.211. int_roundings
   212. 4.212. integer_atomics
   213. 4.213. integer_cast_extras
   214. 4.214. integer_casts
   215. 4.215. integer_widen_truncate
   216. 4.216. internal_output_capture
   217. 4.217. io_const_error
   218. 4.218. io_const_error_internals
   219. 4.219. io_error_inprogress
   220. 4.220. io_error_more
   221. 4.221. io_error_too_many_open_files
   222. 4.222. io_error_uncategorized
   223. 4.223. io_slice_as_bytes
   224. 4.224. ip
   225. 4.225. ip_as_octets
   226. 4.226. ip_multicast_reserved
   227. 4.227. is_ascii_octdigit
   228. 4.228. is_loongarch_feature_detected
   229. 4.229. is_riscv_feature_detected
   230. 4.230. iter_advance_by
   231. 4.231. iter_array_chunks
   232. 4.232. iter_collect_into
   233. 4.233. iter_from_coroutine
   234. 4.234. iter_intersperse
   235. 4.235. iter_is_partitioned
   236. 4.236. iter_macro
   237. 4.237. iter_map_windows
   238. 4.238. iter_next_chunk
   239. 4.239. iter_order_by
   240. 4.240. iter_partition_in_place
   241. 4.241. iterator_try_collect
   242. 4.242. iterator_try_reduce
   243. 4.243. junction_point
   244. 4.244. layout_for_ptr
   245. 4.245. lazy_cell_into_inner
   246. 4.246. legacy_receiver_trait
   247. 4.247. liballoc_internals
   248. 4.248. libstd_sys_internals
   249. 4.249. likely_unlikely
   250. 4.250. linked_list_cursors
   251. 4.251. linked_list_remove
   252. 4.252. linked_list_retain
   253. 4.253. linux_pidfd
   254. 4.254. local_waker
   255. 4.255. lock_value_accessors
   256. 4.256. log_syntax
   257. 4.257. map_try_insert
   258. 4.258. mapped_lock_guards
   259. 4.259. maybe_dangling
   260. 4.260. maybe_uninit_array_assume_init
   261. 4.261. maybe_uninit_as_bytes
   262. 4.262. maybe_uninit_fill
   263. 4.263. maybe_uninit_uninit_array_transpose
   264. 4.264. mem_conjure_zst
   265. 4.265. mem_copy_fn
   266. 4.266. more_float_constants
   267. 4.267. motor_ext
   268. 4.268. mpmc_channel
   269. 4.269. mpsc_is_disconnected
   270. 4.270. mutex_data_ptr
   271. 4.271. new_range_remainder
   272. 4.272. next_index
   273. 4.273. nonpoison_condvar
   274. 4.274. nonpoison_mutex
   275. 4.275. nonpoison_rwlock
   276. 4.276. nonzero_bitwise
   277. 4.277. nonzero_from_mut
   278. 4.278. nonzero_internals
   279. 4.279. nonzero_ops
   280. 4.280. normalize_lexically
   281. 4.281. num_internals
   282. 4.282. numfmt
   283. 4.283. objc_class_variant
   284. 4.284. objc_selector_variant
   285. 4.285. once_cell_get_mut
   286. 4.286. once_cell_try
   287. 4.287. once_cell_try_insert
   288. 4.288. one_sided_range
   289. 4.289. oneshot_channel
   290. 4.290. option_array_transpose
   291. 4.291. option_get_or_try_insert_with
   292. 4.292. option_into_flat_iter
   293. 4.293. option_reduce
   294. 4.294. option_reference_flattening
   295. 4.295. option_zip
   296. 4.296. os_str_slice
   297. 4.297. os_str_split_at
   298. 4.298. os_string_truncate
   299. 4.299. panic_abort
   300. 4.300. panic_always_abort
   301. 4.301. panic_backtrace_config
   302. 4.302. panic_can_unwind
   303. 4.303. panic_internals
   304. 4.304. panic_unwind
   305. 4.305. panic_update_hook
   306. 4.306. partial_ord_chaining_methods
   307. 4.307. path_absolute_method
   308. 4.308. path_trailing_sep
   309. 4.309. pattern
   310. 4.310. pattern_type_macro
   311. 4.311. pattern_type_range_trait
   312. 4.312. peer_credentials_unix_socket
   313. 4.313. phantom_variance_markers
   314. 4.314. pin_coerce_unsized_trait
   315. 4.315. pin_derefmut_internals
   316. 4.316. pin_macro_internals
   317. 4.317. pointer_is_aligned_to
   318. 4.318. pointer_try_cast_aligned
   319. 4.319. portable_simd
   320. 4.320. prelude_future
   321. 4.321. prelude_next
   322. 4.322. print_internals
   323. 4.323. proc_macro_def_site
   324. 4.324. proc_macro_diagnostic
   325. 4.325. proc_macro_expand
   326. 4.326. proc_macro_internals
   327. 4.327. proc_macro_quote
   328. 4.328. proc_macro_span
   329. 4.329. proc_macro_totokens
   330. 4.330. proc_macro_tracked_env
   331. 4.331. proc_macro_tracked_path
   332. 4.332. proc_macro_value
   333. 4.333. process_chroot
   334. 4.334. process_exitcode_internals
   335. 4.335. process_internals
   336. 4.336. process_setsid
   337. 4.337. profiler_runtime_lib
   338. 4.338. profiling_marker_api
   339. 4.339. ptr_alignment_type
   340. 4.340. ptr_as_uninit
   341. 4.341. ptr_cast_array
   342. 4.342. ptr_cast_slice
   343. 4.343. ptr_internals
   344. 4.344. ptr_mask
   345. 4.345. ptr_metadata
   346. 4.346. pub_crate_should_not_need_unstable_attr
   347. 4.347. random
   348. 4.348. range_bounds_is_empty
   349. 4.349. range_into_bounds
   350. 4.350. raw_os_error_ty
   351. 4.351. raw_slice_split
   352. 4.352. raw_vec_internals
   353. 4.353. read_array
   354. 4.354. read_buf
   355. 4.355. read_buf_at
   356. 4.356. read_le
   357. 4.357. read_le_be_internals
   358. 4.358. reentrant_lock
   359. 4.359. reentrant_lock_data_ptr
   360. 4.360. refcell_try_map
   361. 4.361. restricted_std
   362. 4.362. return_address
   363. 4.363. rev_into_inner
   364. 4.364. rt
   365. 4.365. rwlock_data_ptr
   366. 4.366. sealed
   367. 4.367. seek_io_take_position
   368. 4.368. seek_stream_len
   369. 4.369. set_permissions_nofollow
   370. 4.370. set_ptr_value
   371. 4.371. setgroups
   372. 4.372. sgx_platform
   373. 4.373. share_trait
   374. 4.374. signed_bigint_helpers
   375. 4.375. sized_type_properties
   376. 4.376. slice_concat_ext
   377. 4.377. slice_concat_trait
   378. 4.378. slice_from_ptr_range
   379. 4.379. slice_index_methods
   380. 4.380. slice_internals
   381. 4.381. slice_iter_mut_as_mut_slice
   382. 4.382. slice_partial_sort_unstable
   383. 4.383. slice_partition_dedup
   384. 4.384. slice_pattern
   385. 4.385. slice_ptr_get
   386. 4.386. slice_range
   387. 4.387. slice_shift
   388. 4.388. slice_split_once
   389. 4.389. slice_swap_unchecked
   390. 4.390. sliceindex_wrappers
   391. 4.391. smart_pointer_try_map
   392. 4.392. solid_ext
   393. 4.393. sort_floats
   394. 4.394. split_array
   395. 4.395. split_as_slice
   396. 4.396. std_internals
   397. 4.397. stdarch_aarch64_feature_detection
   398. 4.398. stdarch_arm_feature_detection
   399. 4.399. stdarch_internal
   400. 4.400. stdarch_loongarch_feature_detection
   401. 4.401. stdarch_mips_feature_detection
   402. 4.402. stdarch_powerpc_feature_detection
   403. 4.403. stdarch_riscv_feature_detection
   404. 4.404. stdio_fd_consts
   405. 4.405. stdio_makes_pipe
   406. 4.406. stdio_swap
   407. 4.407. step_trait
   408. 4.408. str_as_str
   409. 4.409. str_from_raw_parts
   410. 4.410. str_internals
   411. 4.411. str_lines_remainder
   412. 4.412. str_split_inclusive_remainder
   413. 4.413. str_split_remainder
   414. 4.414. str_split_whitespace_remainder
   415. 4.415. string_from_utf8_lossy_owned
   416. 4.416. string_into_chars
   417. 4.417. string_remove_matches
   418. 4.418. string_replace_in_place
   419. 4.419. sync_nonpoison
   420. 4.420. sync_poison_mod
   421. 4.421. sync_unsafe_cell
   422. 4.422. tcp_deferaccept
   423. 4.423. tcp_keepalive
   424. 4.424. tcp_linger
   425. 4.425. tcplistener_into_incoming
   426. 4.426. temporary_niche_types
   427. 4.427. test
   428. 4.428. thin_box
   429. 4.429. thread_id_value
   430. 4.430. thread_local_internals
   431. 4.431. thread_raw
   432. 4.432. thread_sleep_until
   433. 4.433. thread_spawn_hook
   434. 4.434. time_saturating_systemtime
   435. 4.435. time_systemtime_limits
   436. 4.436. titlecase
   437. 4.437. trace_macros
   438. 4.438. transmutability
   439. 4.439. transmute_neo
   440. 4.440. transmute_prefix
   441. 4.441. trim_prefix_suffix
   442. 4.442. trivial_clone
   443. 4.443. trusted_fused
   444. 4.444. trusted_len
   445. 4.445. trusted_random_access
   446. 4.446. trusted_step
   447. 4.447. try_as_dyn
   448. 4.448. try_entry
   449. 4.449. try_find
   450. 4.450. try_from_int_error_kind
   451. 4.451. try_reserve_kind
   452. 4.452. try_trait_v2
   453. 4.453. try_trait_v2_residual
   454. 4.454. try_trait_v2_yeet
   455. 4.455. try_with_capacity
   456. 4.456. tuple_trait
   457. 4.457. type_ascription
   458. 4.458. type_info
   459. 4.459. ub_checks
   460. 4.460. uefi_std
   461. 4.461. uint_carryless_mul
   462. 4.462. uint_gather_scatter_bits
   463. 4.463. unicode_internals
   464. 4.464. unique_rc_arc
   465. 4.465. unix_file_vectored_at
   466. 4.466. unix_kill_process_group
   467. 4.467. unix_mkfifo
   468. 4.468. unix_send_signal
   469. 4.469. unix_set_mark
   470. 4.470. unix_socket_ancillary_data
   471. 4.471. unix_socket_exclbind
   472. 4.472. unix_socket_peek
   473. 4.473. unsafe_cell_access
   474. 4.474. unsafe_pinned
   475. 4.475. unsafe_unpin
   476. 4.476. unsize
   477. 4.477. unwrap_infallible
   478. 4.478. update_panic_count
   479. 4.479. utf16_extra
   480. 4.480. variant_count
   481. 4.481. vec_deque_extract_if
   482. 4.482. vec_deque_iter_as_slices
   483. 4.483. vec_fallible_shrink
   484. 4.484. vec_from_fn
   485. 4.485. vec_into_chunks
   486. 4.486. vec_peek_mut
   487. 4.487. vec_push_within_capacity
   488. 4.488. vec_recycle
   489. 4.489. vec_split_at_spare
   490. 4.490. vec_try_remove
   491. 4.491. view_type_macro
   492. 4.492. waker_fn
   493. 4.493. waker_from_fn_ptr
   494. 4.494. wasi_ext
   495. 4.495. widening_mul
   496. 4.496. windows_by_handle
   497. 4.497. windows_c
   498. 4.498. windows_change_time
   499. 4.499. windows_freeze_file_times
   500. 4.500. windows_handle
   501. 4.501. windows_net
   502. 4.502. windows_permissions_ext
   503. 4.503. windows_process_exit_code_from
   504. 4.504. windows_process_extensions_async_pipes
   505. 4.505. windows_process_extensions_force_quotes
   506. 4.506. windows_process_extensions_inherit_handles
   507. 4.507. windows_process_extensions_main_thread_handle
   508. 4.508. windows_process_extensions_raw_attribute
   509. 4.509. windows_process_extensions_show_window
   510. 4.510. windows_process_extensions_startupinfo
   511. 4.511. windows_stdio
   512. 4.512. windows_unix_domain_sockets
   513. 4.513. wrapping_int_impl
   514. 4.514. wrapping_next_power_of_two
   515. 4.515. write_all_vectored
   516. 4.516. wtf8_internals
   517. 4.517. xdg_basedir
   518. 4.518. yeet_desugar_details