1. The Unstable Book
2. 1. Compiler flags
3. 1. 1.1. branch_protection
   2. 1.2. cf_protection
   3. 1.3. codegen_backend
   4. 1.4. codegen_options
   5. 1.5. control_flow_guard
   6. 1.6. coverage_options
   7. 1.7. debug_info_for_profiling
   8. 1.8. debug_info_type_line_numbers
   9. 1.9. default_visibility
   10. 1.10. direct_access_external_data
   11. 1.11. dump_mono_stats
   12. 1.12. dump_mono_stats_format
   13. 1.13. dwarf_version
   14. 1.14. dylib_lto
   15. 1.15. embed_source
   16. 1.16. emit_stack_sizes
   17. 1.17. emscripten_wasm_eh
   18. 1.18. env_set
   19. 1.19. export_executable_symbols
   20. 1.20. extern_options
   21. 1.21. external_clangrt
   22. 1.22. fixed_x18
   23. 1.23. fmt_debug
   24. 1.24. function_return
   25. 1.25. instrument_xray
   26. 1.26. link_native_libraries
   27. 1.27. linker_features
   28. 1.28. lint_llvm_ir
   29. 1.29. llvm_module_flag
   30. 1.30. location_detail
   31. 1.31. min_function_alignment
   32. 1.32. move_size_limit
   33. 1.33. no_jump_tables
   34. 1.34. no_parallel_llvm
   35. 1.35. no_unique_section_names
   36. 1.36. on_broken_pipe
   37. 1.37. patchable_function_entry
   38. 1.38. print_check_cfg
   39. 1.39. profile_sample_use
   40. 1.40. randomize_layout
   41. 1.41. reg_struct_return
   42. 1.42. regparm
   43. 1.43. remap_cwd_prefix
   44. 1.44. remap_path_scope
   45. 1.45. report_time
   46. 1.46. sanitizer
   47. 1.47. self_profile
   48. 1.48. self_profile_events
   49. 1.49. shell_argfiles
   50. 1.50. small_data_threshold
   51. 1.51. src_hash_algorithm
   52. 1.52. temps_dir
   53. 1.53. tiny_const_eval_limit
   54. 1.54. tls_model
   55. 1.55. ub_checks
   56. 1.56. unsound_mir_opts
   57. 1.57. verbose_asm
   58. 1.58. virtual_function_elimination
   59. 1.59. wasm_c_abi
4. 2. Language features
5. 1. 2.1. aarch64_unstable_target_feature
   2. 2.2. aarch64_ver_target_feature
   3. 2.3. abi_avr_interrupt
   4. 2.4. abi_c_cmse_nonsecure_call
   5. 2.5. abi_msp430_interrupt
   6. 2.6. abi_ptx
   7. 2.7. abi_riscv_interrupt
   8. 2.8. abi_unadjusted
   9. 2.9. abi_vectorcall
   10. 2.10. abi_x86_interrupt
   11. 2.11. adt_const_params
   12. 2.12. alloc_error_handler
   13. 2.13. allocator_internals
   14. 2.14. allow_internal_unsafe
   15. 2.15. allow_internal_unstable
   16. 2.16. anonymous_lifetime_in_impl_trait
   17. 2.17. arbitrary_self_types
   18. 2.18. arbitrary_self_types_pointers
   19. 2.19. arm_target_feature
   20. 2.20. asm_experimental_arch
   21. 2.21. asm_experimental_reg
   22. 2.22. asm_goto
   23. 2.23. asm_goto_with_outputs
   24. 2.24. asm_unwind
   25. 2.25. associated_const_equality
   26. 2.26. associated_type_defaults
   27. 2.27. async_fn_in_dyn_trait
   28. 2.28. async_fn_track_caller
   29. 2.29. async_for_loop
   30. 2.30. async_trait_bounds
   31. 2.31. auto_traits
   32. 2.32. avx512_target_feature
   33. 2.33. box_patterns
   34. 2.34. bpf_target_feature
   35. 2.35. builtin_syntax
   36. 2.36. c_variadic
   37. 2.37. cfg_boolean_literals
   38. 2.38. cfg_emscripten_wasm_eh
   39. 2.39. cfg_overflow_checks
   40. 2.40. cfg_relocation_model
   41. 2.41. cfg_sanitize
   42. 2.42. cfg_sanitizer_cfi
   43. 2.43. cfg_target_compact
   44. 2.44. cfg_target_has_atomic
   45. 2.45. cfg_target_has_atomic_equal_alignment
   46. 2.46. cfg_target_thread_local
   47. 2.47. cfg_ub_checks
   48. 2.48. cfg_version
   49. 2.49. cfi_encoding
   50. 2.50. closure_lifetime_binder
   51. 2.51. closure_track_caller
   52. 2.52. cmse_nonsecure_entry
   53. 2.53. compiler_builtins
   54. 2.54. const_async_blocks
   55. 2.55. const_closures
   56. 2.56. const_destruct
   57. 2.57. const_for
   58. 2.58. const_precise_live_drops
   59. 2.59. const_trait_impl
   60. 2.60. const_try
   61. 2.61. coroutine_clone
   62. 2.62. coroutines
   63. 2.63. coverage_attribute
   64. 2.64. csky_target_feature
   65. 2.65. custom_inner_attributes
   66. 2.66. custom_mir
   67. 2.67. custom_test_frameworks
   68. 2.68. decl_macro
   69. 2.69. default_field_values
   70. 2.70. deprecated_safe
   71. 2.71. deprecated_suggestion
   72. 2.72. deref_patterns
   73. 2.73. doc_auto_cfg
   74. 2.74. doc_cfg
   75. 2.75. doc_cfg_hide
   76. 2.76. doc_masked
   77. 2.77. doc_notable_trait
   78. 2.78. dropck_eyepatch
   79. 2.79. dyn_compatible_for_dispatch
   80. 2.80. dyn_star
   81. 2.81. ermsb_target_feature
   82. 2.82. exhaustive_patterns
   83. 2.83. explicit_tail_calls
   84. 2.84. extern_types
   85. 2.85. f128
   86. 2.86. f16
   87. 2.87. ffi_const
   88. 2.88. ffi_pure
   89. 2.89. fmt_debug
   90. 2.90. fn_align
   91. 2.91. fn_delegation
   92. 2.92. freeze_impls
   93. 2.93. fundamental
   94. 2.94. gen_blocks
   95. 2.95. generic_arg_infer
   96. 2.96. generic_assert
   97. 2.97. generic_const_exprs
   98. 2.98. generic_const_items
   99. 2.99. global_registration
   100. 2.100. guard_patterns
   101. 2.101. half_open_range_patterns_in_slices
   102. 2.102. hexagon_target_feature
   103. 2.103. if_let_guard
   104. 2.104. impl_trait_in_assoc_type
   105. 2.105. impl_trait_in_bindings
   106. 2.106. impl_trait_in_fn_trait_return
   107. 2.107. inherent_associated_types
   108. 2.108. inline_const_pat
   109. 2.109. intra_doc_pointers
   110. 2.110. intrinsics
   111. 2.111. lahfsahf_target_feature
   112. 2.112. lang_items
   113. 2.113. large_assignments
   114. 2.114. lazy_type_alias
   115. 2.115. let_chains
   116. 2.116. lifetime_capture_rules_2024
   117. 2.117. link_arg_attribute
   118. 2.118. link_cfg
   119. 2.119. link_llvm_intrinsics
   120. 2.120. linkage
   121. 2.121. loongarch_target_feature
   122. 2.122. m68k_target_feature
   123. 2.123. macro_metavar_expr
   124. 2.124. macro_metavar_expr_concat
   125. 2.125. marker_trait_attr
   126. 2.126. min_generic_const_args
   127. 2.127. min_specialization
   128. 2.128. mips_target_feature
   129. 2.129. more_maybe_bounds
   130. 2.130. more_qualified_paths
   131. 2.131. multiple_supertrait_upcastable
   132. 2.132. must_not_suspend
   133. 2.133. mut_ref
   134. 2.134. naked_functions
   135. 2.135. native_link_modifiers_as_needed
   136. 2.136. needs_panic_runtime
   137. 2.137. negative_bounds
   138. 2.138. negative_impls
   139. 2.139. never_patterns
   140. 2.140. never_type
   141. 2.141. never_type_fallback
   142. 2.142. no_core
   143. 2.143. no_sanitize
   144. 2.144. non_exhaustive_omitted_patterns_lint
   145. 2.145. non_lifetime_binders
   146. 2.146. offset_of_enum
   147. 2.147. offset_of_slice
   148. 2.148. omit_gdb_pretty_printer_section
   149. 2.149. optimize_attribute
   150. 2.150. panic_runtime
   151. 2.151. patchable_function_entry
   152. 2.152. pattern_complexity
   153. 2.153. pattern_types
   154. 2.154. pin_ergonomics
   155. 2.155. postfix_match
   156. 2.156. powerpc_target_feature
   157. 2.157. precise_capturing_in_traits
   158. 2.158. prelude_import
   159. 2.159. prfchw_target_feature
   160. 2.160. proc_macro_hygiene
   161. 2.161. profiler_runtime
   162. 2.162. ref_pat_eat_one_layer_2024
   163. 2.163. ref_pat_eat_one_layer_2024_structural
   164. 2.164. register_tool
   165. 2.165. repr_simd
   166. 2.166. repr128
   167. 2.167. return_type_notation
   168. 2.168. riscv_target_feature
   169. 2.169. rtm_target_feature
   170. 2.170. rust_cold_cc
   171. 2.171. rustc_allow_const_fn_unstable
   172. 2.172. rustc_attrs
   173. 2.173. rustc_private
   174. 2.174. rustdoc_internals
   175. 2.175. rustdoc_missing_doc_code_examples
   176. 2.176. s390x_target_feature
   177. 2.177. sha512_sm_x86
   178. 2.178. simd_ffi
   179. 2.179. sparc_target_feature
   180. 2.180. specialization
   181. 2.181. sse4a_target_feature
   182. 2.182. staged_api
   183. 2.183. start
   184. 2.184. stmt_expr_attributes
   185. 2.185. strict_provenance_lints
   186. 2.186. string_deref_patterns
   187. 2.187. structural_match
   188. 2.188. target_feature_11
   189. 2.189. tbm_target_feature
   190. 2.190. test_unstable_lint
   191. 2.191. thread_local
   192. 2.192. trait_alias
   193. 2.193. trait_upcasting
   194. 2.194. transmute_generic_consts
   195. 2.195. transparent_unions
   196. 2.196. trivial_bounds
   197. 2.197. try_blocks
   198. 2.198. type_alias_impl_trait
   199. 2.199. type_changing_struct_update
   200. 2.200. unboxed_closures
   201. 2.201. unqualified_local_imports
   202. 2.202. unsafe_binders
   203. 2.203. unsafe_fields
   204. 2.204. unsized_const_params
   205. 2.205. unsized_fn_params
   206. 2.206. unsized_locals
   207. 2.207. unsized_tuple_coercion
   208. 2.208. used_with_arg
   209. 2.209. wasm_target_feature
   210. 2.210. with_negative_coherence
   211. 2.211. x86_amx_intrinsics
   212. 2.212. x87_target_feature
   213. 2.213. xop_target_feature
   214. 2.214. yeet_expr
6. 3. Library Features
7. 1. 3.1. abort_unwind
   2. 3.2. acceptfilter
   3. 3.3. addr_parse_ascii
   4. 3.4. alloc_error_hook
   5. 3.5. alloc_internals
   6. 3.6. alloc_layout_extra
   7. 3.7. allocator_api
   8. 3.8. anonymous_pipe
   9. 3.9. array_chunks
   10. 3.10. array_into_iter_constructors
   11. 3.11. array_ptr_get
   12. 3.12. array_repeat
   13. 3.13. array_try_from_fn
   14. 3.14. array_try_map
   15. 3.15. array_windows
   16. 3.16. as_array_of_cells
   17. 3.17. ascii_char
   18. 3.18. ascii_char_variants
   19. 3.19. assert_matches
   20. 3.20. async_drop
   21. 3.21. async_fn_traits
   22. 3.22. async_gen_internals
   23. 3.23. async_iter_from_iter
   24. 3.24. async_iterator
   25. 3.25. atomic_from_mut
   26. 3.26. autodiff
   27. 3.27. backtrace_frames
   28. 3.28. bigint_helper_methods
   29. 3.29. binary_heap_drain_sorted
   30. 3.30. binary_heap_into_iter_sorted
   31. 3.31. bound_as_ref
   32. 3.32. box_as_ptr
   33. 3.33. box_into_boxed_slice
   34. 3.34. box_into_inner
   35. 3.35. box_uninit_write
   36. 3.36. box_vec_non_null
   37. 3.37. breakpoint
   38. 3.38. btree_cursors
   39. 3.39. btree_entry_insert
   40. 3.40. btree_extract_if
   41. 3.41. btree_set_entry
   42. 3.42. btreemap_alloc
   43. 3.43. buf_read_has_data_left
   44. 3.44. bufreader_peek
   45. 3.45. c_size_t
   46. 3.46. c_str_module
   47. 3.47. c_void_variant
   48. 3.48. can_vector
   49. 3.49. cell_leak
   50. 3.50. cell_update
   51. 3.51. cfg_accessible
   52. 3.52. cfg_eval
   53. 3.53. cfg_match
   54. 3.54. char_internals
   55. 3.55. clone_to_uninit
   56. 3.56. cmp_minmax
   57. 3.57. coerce_unsized
   58. 3.58. concat_bytes
   59. 3.59. concat_idents
   60. 3.60. const_alloc_error
   61. 3.61. const_array_as_mut_slice
   62. 3.62. const_array_each_ref
   63. 3.63. const_black_box
   64. 3.64. const_box
   65. 3.65. const_btree_len
   66. 3.66. const_carrying_mul_add
   67. 3.67. const_cell
   68. 3.68. const_char_classify
   69. 3.69. const_copy_from_slice
   70. 3.70. const_deref
   71. 3.71. const_eq_ignore_ascii_case
   72. 3.72. const_eval_select
   73. 3.73. const_format_args
   74. 3.74. const_heap
   75. 3.75. const_is_char_boundary
   76. 3.76. const_mut_cursor
   77. 3.77. const_ops
   78. 3.78. const_ptr_sub_ptr
   79. 3.79. const_range_bounds
   80. 3.80. const_raw_ptr_comparison
   81. 3.81. const_slice_flatten
   82. 3.82. const_slice_from_mut_ptr_range
   83. 3.83. const_slice_from_ptr_range
   84. 3.84. const_slice_reverse
   85. 3.85. const_sockaddr_setters
   86. 3.86. const_str_from_utf8
   87. 3.87. const_str_split_at
   88. 3.88. const_swap_nonoverlapping
   89. 3.89. const_type_id
   90. 3.90. const_type_name
   91. 3.91. const_vec_string_slice
   92. 3.92. container_error_extra
   93. 3.93. context_ext
   94. 3.94. convert_float_to_int
   95. 3.95. core_intrinsics
   96. 3.96. core_intrinsics_fallbacks
   97. 3.97. core_io_borrowed_buf
   98. 3.98. core_private_bignum
   99. 3.99. core_private_diy_float
   100. 3.100. coroutine_trait
   101. 3.101. cow_is_borrowed
   102. 3.102. cstr_bytes
   103. 3.103. cstr_internals
   104. 3.104. cursor_split
   105. 3.105. deadline_api
   106. 3.106. debug_closure_helpers
   107. 3.107. dec2flt
   108. 3.108. deref_pure_trait
   109. 3.109. derive_clone_copy
   110. 3.110. derive_coerce_pointee
   111. 3.111. derive_const
   112. 3.112. derive_eq
   113. 3.113. dir_entry_ext2
   114. 3.114. discriminant_kind
   115. 3.115. dispatch_from_dyn
   116. 3.116. downcast_unchecked
   117. 3.117. drain_keep_rest
   118. 3.118. duration_constants
   119. 3.119. duration_constructors
   120. 3.120. duration_millis_float
   121. 3.121. duration_units
   122. 3.122. edition_panic
   123. 3.123. error_generic_member_access
   124. 3.124. error_iter
   125. 3.125. error_reporter
   126. 3.126. error_type_id
   127. 3.127. exact_size_is_empty
   128. 3.128. exclusive_wrapper
   129. 3.129. exit_status_error
   130. 3.130. exitcode_exit_method
   131. 3.131. extend_one
   132. 3.132. extend_one_unchecked
   133. 3.133. extract_if
   134. 3.134. fd
   135. 3.135. fd_read
   136. 3.136. file_buffered
   137. 3.137. file_lock
   138. 3.138. float_gamma
   139. 3.139. float_minimum_maximum
   140. 3.140. float_next_up_down
   141. 3.141. flt2dec
   142. 3.142. fmt_helpers_for_derive
   143. 3.143. fmt_internals
   144. 3.144. fn_ptr_trait
   145. 3.145. fn_traits
   146. 3.146. forget_unsized
   147. 3.147. format_args_nl
   148. 3.148. formatting_options
   149. 3.149. freeze
   150. 3.150. future_join
   151. 3.151. gen_future
   152. 3.152. generic_assert_internals
   153. 3.153. get_many_mut
   154. 3.154. get_many_mut_helpers
   155. 3.155. get_mut_unchecked
   156. 3.156. hash_extract_if
   157. 3.157. hash_raw_entry
   158. 3.158. hash_set_entry
   159. 3.159. hasher_prefixfree_extras
   160. 3.160. hashmap_internals
   161. 3.161. hint_must_use
   162. 3.162. inplace_iteration
   163. 3.163. int_roundings
   164. 3.164. integer_atomics
   165. 3.165. integer_sign_cast
   166. 3.166. internal_impls_macro
   167. 3.167. internal_output_capture
   168. 3.168. io_const_error
   169. 3.169. io_const_error_internals
   170. 3.170. io_error_inprogress
   171. 3.171. io_error_more
   172. 3.172. io_error_uncategorized
   173. 3.173. io_slice_as_bytes
   174. 3.174. ip
   175. 3.175. ip_from
   176. 3.176. is_ascii_octdigit
   177. 3.177. is_loongarch_feature_detected
   178. 3.178. is_riscv_feature_detected
   179. 3.179. iter_advance_by
   180. 3.180. iter_array_chunks
   181. 3.181. iter_chain
   182. 3.182. iter_collect_into
   183. 3.183. iter_from_coroutine
   184. 3.184. iter_intersperse
   185. 3.185. iter_is_partitioned
   186. 3.186. iter_map_windows
   187. 3.187. iter_next_chunk
   188. 3.188. iter_order_by
   189. 3.189. iter_partition_in_place
   190. 3.190. iterator_try_collect
   191. 3.191. iterator_try_reduce
   192. 3.192. junction_point
   193. 3.193. layout_for_ptr
   194. 3.194. lazy_cell_into_inner
   195. 3.195. lazy_get
   196. 3.196. legacy_receiver_trait
   197. 3.197. liballoc_internals
   198. 3.198. libstd_sys_internals
   199. 3.199. linked_list_cursors
   200. 3.200. linked_list_remove
   201. 3.201. linked_list_retain
   202. 3.202. linux_pidfd
   203. 3.203. local_waker
   204. 3.204. lock_value_accessors
   205. 3.205. log_syntax
   206. 3.206. map_many_mut
   207. 3.207. map_try_insert
   208. 3.208. mapped_lock_guards
   209. 3.209. maybe_uninit_array_assume_init
   210. 3.210. maybe_uninit_as_bytes
   211. 3.211. maybe_uninit_fill
   212. 3.212. maybe_uninit_slice
   213. 3.213. maybe_uninit_uninit_array
   214. 3.214. maybe_uninit_uninit_array_transpose
   215. 3.215. maybe_uninit_write_slice
   216. 3.216. mem_copy_fn
   217. 3.217. mixed_integer_ops_unsigned_sub
   218. 3.218. more_float_constants
   219. 3.219. mpmc_channel
   220. 3.220. new_range_api
   221. 3.221. new_zeroed_alloc
   222. 3.222. non_null_from_ref
   223. 3.223. non_zero_count_ones
   224. 3.224. nonnull_provenance
   225. 3.225. nonzero_bitwise
   226. 3.226. nonzero_from_mut
   227. 3.227. nonzero_internals
   228. 3.228. nonzero_ops
   229. 3.229. num_midpoint_signed
   230. 3.230. numfmt
   231. 3.231. once_cell_get_mut
   232. 3.232. once_cell_try
   233. 3.233. once_cell_try_insert
   234. 3.234. once_wait
   235. 3.235. one_sided_range
   236. 3.236. option_array_transpose
   237. 3.237. option_zip
   238. 3.238. os_str_display
   239. 3.239. os_str_slice
   240. 3.240. os_string_pathbuf_leak
   241. 3.241. os_string_truncate
   242. 3.242. panic_abort
   243. 3.243. panic_always_abort
   244. 3.244. panic_backtrace_config
   245. 3.245. panic_can_unwind
   246. 3.246. panic_internals
   247. 3.247. panic_payload_as_str
   248. 3.248. panic_unwind
   249. 3.249. panic_update_hook
   250. 3.250. path_add_extension
   251. 3.251. path_file_prefix
   252. 3.252. pattern
   253. 3.253. pattern_type_macro
   254. 3.254. peer_credentials_unix_socket
   255. 3.255. pin_coerce_unsized_trait
   256. 3.256. pointer_is_aligned_to
   257. 3.257. pointer_like_trait
   258. 3.258. portable_simd
   259. 3.259. print_internals
   260. 3.260. proc_macro_def_site
   261. 3.261. proc_macro_diagnostic
   262. 3.262. proc_macro_expand
   263. 3.263. proc_macro_internals
   264. 3.264. proc_macro_quote
   265. 3.265. proc_macro_span
   266. 3.266. proc_macro_totokens
   267. 3.267. proc_macro_tracked_env
   268. 3.268. process_exitcode_internals
   269. 3.269. process_internals
   270. 3.270. profiler_runtime_lib
   271. 3.271. ptr_alignment_type
   272. 3.272. ptr_as_ref_unchecked
   273. 3.273. ptr_as_uninit
   274. 3.274. ptr_internals
   275. 3.275. ptr_mask
   276. 3.276. ptr_metadata
   277. 3.277. ptr_sub_ptr
   278. 3.278. pub_crate_should_not_need_unstable_attr
   279. 3.279. random
   280. 3.280. raw_os_error_ty
   281. 3.281. raw_slice_split
   282. 3.282. raw_vec_internals
   283. 3.283. read_buf
   284. 3.284. reentrant_lock
   285. 3.285. restricted_std
   286. 3.286. result_flattening
   287. 3.287. round_char_boundary
   288. 3.288. rt
   289. 3.289. rustc_encodable_decodable
   290. 3.290. rwlock_downgrade
   291. 3.291. sealed
   292. 3.292. seek_stream_len
   293. 3.293. select_unpredictable
   294. 3.294. set_ptr_value
   295. 3.295. setgroups
   296. 3.296. sgx_platform
   297. 3.297. sized_type_properties
   298. 3.298. slice_as_array
   299. 3.299. slice_as_chunks
   300. 3.300. slice_concat_ext
   301. 3.301. slice_concat_trait
   302. 3.302. slice_from_ptr_range
   303. 3.303. slice_index_methods
   304. 3.304. slice_internals
   305. 3.305. slice_iter_mut_as_mut_slice
   306. 3.306. slice_partition_dedup
   307. 3.307. slice_pattern
   308. 3.308. slice_ptr_get
   309. 3.309. slice_range
   310. 3.310. slice_split_once
   311. 3.311. slice_swap_unchecked
   312. 3.312. slice_take
   313. 3.313. solid_ext
   314. 3.314. sort_floats
   315. 3.315. split_array
   316. 3.316. split_as_slice
   317. 3.317. std_internals
   318. 3.318. stdarch_arm_feature_detection
   319. 3.319. stdarch_mips_feature_detection
   320. 3.320. stdarch_powerpc_feature_detection
   321. 3.321. stdio_makes_pipe
   322. 3.322. step_trait
   323. 3.323. str_as_str
   324. 3.324. str_from_raw_parts
   325. 3.325. str_from_utf16_endian
   326. 3.326. str_internals
   327. 3.327. str_lines_remainder
   328. 3.328. str_split_inclusive_remainder
   329. 3.329. str_split_remainder
   330. 3.330. str_split_whitespace_remainder
   331. 3.331. strict_overflow_ops
   332. 3.332. strict_provenance_atomic_ptr
   333. 3.333. string_extend_from_within
   334. 3.334. string_from_utf8_lossy_owned
   335. 3.335. string_into_chars
   336. 3.336. string_remove_matches
   337. 3.337. substr_range
   338. 3.338. sync_poison_mod
   339. 3.339. sync_unsafe_cell
   340. 3.340. tcp_deferaccept
   341. 3.341. tcp_linger
   342. 3.342. tcp_quickack
   343. 3.343. tcplistener_into_incoming
   344. 3.344. temporary_niche_types
   345. 3.345. test
   346. 3.346. thin_box
   347. 3.347. thread_id_value
   348. 3.348. thread_local_internals
   349. 3.349. thread_raw
   350. 3.350. thread_sleep_until
   351. 3.351. thread_spawn_hook
   352. 3.352. trace_macros
   353. 3.353. track_path
   354. 3.354. transmutability
   355. 3.355. trusted_fused
   356. 3.356. trusted_len
   357. 3.357. trusted_len_next_unchecked
   358. 3.358. trusted_random_access
   359. 3.359. trusted_step
   360. 3.360. try_find
   361. 3.361. try_reserve_kind
   362. 3.362. try_trait_v2
   363. 3.363. try_trait_v2_residual
   364. 3.364. try_trait_v2_yeet
   365. 3.365. try_with_capacity
   366. 3.366. tuple_trait
   367. 3.367. type_ascription
   368. 3.368. ub_checks
   369. 3.369. uefi_std
   370. 3.370. unbounded_shifts
   371. 3.371. unchecked_neg
   372. 3.372. unchecked_shifts
   373. 3.373. unicode_internals
   374. 3.374. unique_rc_arc
   375. 3.375. unix_file_vectored_at
   376. 3.376. unix_set_mark
   377. 3.377. unix_socket_ancillary_data
   378. 3.378. unix_socket_peek
   379. 3.379. unsafe_pin_internals
   380. 3.380. unsigned_is_multiple_of
   381. 3.381. unsigned_nonzero_div_ceil
   382. 3.382. unsigned_signed_diff
   383. 3.383. unsize
   384. 3.384. unwrap_infallible
   385. 3.385. update_panic_count
   386. 3.386. utf16_extra
   387. 3.387. variant_count
   388. 3.388. vec_deque_iter_as_slices
   389. 3.389. vec_into_raw_parts
   390. 3.390. vec_pop_if
   391. 3.391. vec_push_within_capacity
   392. 3.392. vec_split_at_spare
   393. 3.393. wasi_ext
   394. 3.394. windows_by_handle
   395. 3.395. windows_c
   396. 3.396. windows_change_time
   397. 3.397. windows_handle
   398. 3.398. windows_net
   399. 3.399. windows_process_exit_code_from
   400. 3.400. windows_process_extensions_async_pipes
   401. 3.401. windows_process_extensions_force_quotes
   402. 3.402. windows_process_extensions_main_thread_handle
   403. 3.403. windows_process_extensions_raw_attribute
   404. 3.404. windows_process_extensions_show_window
   405. 3.405. windows_stdio
   406. 3.406. wrapping_int_impl
   407. 3.407. wrapping_next_power_of_two
   408. 3.408. write_all_vectored
   409. 3.409. yeet_desugar_details