1. The Unstable Book
  2. 1. Compiler flags
    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. default_hidden_visibility
    9. 1.9. direct_access_external_data
    10. 1.10. dump_mono_stats
    11. 1.11. dump_mono_stats_format
    12. 1.12. dwarf_version
    13. 1.13. dylib_lto
    14. 1.14. emit_stack_sizes
    15. 1.15. env_set
    16. 1.16. export_executable_symbols
    17. 1.17. extern_options
    18. 1.18. external_clangrt
    19. 1.19. fixed_x18
    20. 1.20. function_return
    21. 1.21. instrument_xray
    22. 1.22. link_native_libraries
    23. 1.23. linker_features
    24. 1.24. llvm_module_flag
    25. 1.25. location_detail
    26. 1.26. move_size_limit
    27. 1.27. no_jump_tables
    28. 1.28. no_parallel_llvm
    29. 1.29. no_unique_section_names
    30. 1.30. on_broken_pipe
    31. 1.31. patchable_function_entry
    32. 1.32. print_check_cfg
    33. 1.33. profile
    34. 1.34. profile_sample_use
    35. 1.35. remap_cwd_prefix
    36. 1.36. remap_path_scope
    37. 1.37. report_time
    38. 1.38. sanitizer
    39. 1.39. self_profile
    40. 1.40. self_profile_events
    41. 1.41. shell_argfiles
    42. 1.42. src_hash_algorithm
    43. 1.43. temps_dir
    44. 1.44. tiny_const_eval_limit
    45. 1.45. tls_model
    46. 1.46. ub_checks
    47. 1.47. unsound_mir_opts
    48. 1.48. verbose_asm
    49. 1.49. virtual_function_elimination
    50. 1.50. wasm_c_abi
  3. 2. Language features
    1. 2.1. aarch64_ver_target_feature
    2. 2.2. abi_avr_interrupt
    3. 2.3. abi_c_cmse_nonsecure_call
    4. 2.4. abi_msp430_interrupt
    5. 2.5. abi_ptx
    6. 2.6. abi_riscv_interrupt
    7. 2.7. abi_unadjusted
    8. 2.8. abi_vectorcall
    9. 2.9. abi_x86_interrupt
    10. 2.10. adt_const_params
    11. 2.11. alloc_error_handler
    12. 2.12. allocator_internals
    13. 2.13. allow_internal_unsafe
    14. 2.14. allow_internal_unstable
    15. 2.15. anonymous_lifetime_in_impl_trait
    16. 2.16. arbitrary_self_types
    17. 2.17. arm_target_feature
    18. 2.18. asm_const
    19. 2.19. asm_experimental_arch
    20. 2.20. asm_goto
    21. 2.21. asm_unwind
    22. 2.22. associated_const_equality
    23. 2.23. associated_type_defaults
    24. 2.24. async_closure
    25. 2.25. async_fn_track_caller
    26. 2.26. async_for_loop
    27. 2.27. auto_traits
    28. 2.28. avx512_target_feature
    29. 2.29. box_patterns
    30. 2.30. bpf_target_feature
    31. 2.31. builtin_syntax
    32. 2.32. c_variadic
    33. 2.33. cfg_overflow_checks
    34. 2.34. cfg_relocation_model
    35. 2.35. cfg_sanitize
    36. 2.36. cfg_sanitizer_cfi
    37. 2.37. cfg_target_compact
    38. 2.38. cfg_target_has_atomic
    39. 2.39. cfg_target_has_atomic_equal_alignment
    40. 2.40. cfg_target_thread_local
    41. 2.41. cfg_ub_checks
    42. 2.42. cfg_version
    43. 2.43. cfi_encoding
    44. 2.44. closure_lifetime_binder
    45. 2.45. closure_track_caller
    46. 2.46. cmse_nonsecure_entry
    47. 2.47. compiler_builtins
    48. 2.48. const_async_blocks
    49. 2.49. const_closures
    50. 2.50. const_extern_fn
    51. 2.51. const_fn_floating_point_arithmetic
    52. 2.52. const_for
    53. 2.53. const_mut_refs
    54. 2.54. const_precise_live_drops
    55. 2.55. const_refs_to_cell
    56. 2.56. const_refs_to_static
    57. 2.57. const_trait_impl
    58. 2.58. const_try
    59. 2.59. coroutine_clone
    60. 2.60. coroutines
    61. 2.61. coverage_attribute
    62. 2.62. csky_target_feature
    63. 2.63. custom_inner_attributes
    64. 2.64. custom_mir
    65. 2.65. custom_test_frameworks
    66. 2.66. decl_macro
    67. 2.67. default_type_parameter_fallback
    68. 2.68. deprecated_safe
    69. 2.69. deprecated_suggestion
    70. 2.70. deref_patterns
    71. 2.71. derive_smart_pointer
    72. 2.72. do_not_recommend
    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_star
    80. 2.80. effects
    81. 2.81. ermsb_target_feature
    82. 2.82. exhaustive_patterns
    83. 2.83. explicit_tail_calls
    84. 2.84. expr_fragment_specifier_2024
    85. 2.85. extended_varargs_abi_support
    86. 2.86. extern_types
    87. 2.87. f128
    88. 2.88. f16
    89. 2.89. ffi_const
    90. 2.90. ffi_pure
    91. 2.91. fn_align
    92. 2.92. fn_delegation
    93. 2.93. freeze_impls
    94. 2.94. fundamental
    95. 2.95. gen_blocks
    96. 2.96. generic_arg_infer
    97. 2.97. generic_assert
    98. 2.98. generic_associated_types_extended
    99. 2.99. generic_const_exprs
    100. 2.100. generic_const_items
    101. 2.101. global_registration
    102. 2.102. half_open_range_patterns_in_slices
    103. 2.103. hexagon_target_feature
    104. 2.104. if_let_guard
    105. 2.105. impl_trait_in_assoc_type
    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. macro_metavar_expr
    123. 2.123. macro_metavar_expr_concat
    124. 2.124. marker_trait_attr
    125. 2.125. min_exhaustive_patterns
    126. 2.126. min_specialization
    127. 2.127. mips_target_feature
    128. 2.128. more_qualified_paths
    129. 2.129. multiple_supertrait_upcastable
    130. 2.130. must_not_suspend
    131. 2.131. mut_ref
    132. 2.132. naked_functions
    133. 2.133. native_link_modifiers_as_needed
    134. 2.134. needs_panic_runtime
    135. 2.135. negative_bounds
    136. 2.136. negative_impls
    137. 2.137. never_patterns
    138. 2.138. never_type
    139. 2.139. never_type_fallback
    140. 2.140. no_core
    141. 2.141. no_sanitize
    142. 2.142. non_exhaustive_omitted_patterns_lint
    143. 2.143. non_lifetime_binders
    144. 2.144. object_safe_for_dispatch
    145. 2.145. offset_of_enum
    146. 2.146. offset_of_nested
    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. postfix_match
    155. 2.155. powerpc_target_feature
    156. 2.156. precise_capturing
    157. 2.157. prelude_import
    158. 2.158. prfchw_target_feature
    159. 2.159. proc_macro_hygiene
    160. 2.160. profiler_runtime
    161. 2.161. raw_ref_op
    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. result_ffi_guarantees
    168. 2.168. return_type_notation
    169. 2.169. riscv_target_feature
    170. 2.170. rtm_target_feature
    171. 2.171. rust_cold_cc
    172. 2.172. rustc_allow_const_fn_unstable
    173. 2.173. rustc_attrs
    174. 2.174. rustc_private
    175. 2.175. rustdoc_internals
    176. 2.176. rustdoc_missing_doc_code_examples
    177. 2.177. s390x_target_feature
    178. 2.178. shorter_tail_lifetimes
    179. 2.179. simd_ffi
    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
    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. unnamed_fields
    202. 2.202. unsafe_attributes
    203. 2.203. unsafe_extern_blocks
    204. 2.204. unsized_fn_params
    205. 2.205. unsized_locals
    206. 2.206. unsized_tuple_coercion
    207. 2.207. used_with_arg
    208. 2.208. wasm_target_feature
    209. 2.209. with_negative_coherence
    210. 2.210. x86_amx_intrinsics
    211. 2.211. xop_target_feature
    212. 2.212. yeet_expr
  4. 3. Library Features
    1. 3.1. acceptfilter
    2. 3.2. addr_parse_ascii
    3. 3.3. alloc_error_hook
    4. 3.4. alloc_internals
    5. 3.5. alloc_layout_extra
    6. 3.6. allocator_api
    7. 3.7. array_chunks
    8. 3.8. array_into_iter_constructors
    9. 3.9. array_ptr_get
    10. 3.10. array_repeat
    11. 3.11. array_try_from_fn
    12. 3.12. array_try_map
    13. 3.13. array_windows
    14. 3.14. as_array_of_cells
    15. 3.15. ascii_char
    16. 3.16. ascii_char_variants
    17. 3.17. assert_matches
    18. 3.18. async_drop
    19. 3.19. async_fn_traits
    20. 3.20. async_gen_internals
    21. 3.21. async_iter_from_iter
    22. 3.22. async_iterator
    23. 3.23. atomic_from_mut
    24. 3.24. backtrace_frames
    25. 3.25. bigint_helper_methods
    26. 3.26. binary_heap_drain_sorted
    27. 3.27. binary_heap_into_iter_sorted
    28. 3.28. bound_as_ref
    29. 3.29. box_into_boxed_slice
    30. 3.30. box_into_inner
    31. 3.31. btree_cursors
    32. 3.32. btree_extract_if
    33. 3.33. btreemap_alloc
    34. 3.34. buf_read_has_data_left
    35. 3.35. bufread_skip_until
    36. 3.36. build_hasher_default_const_new
    37. 3.37. c_size_t
    38. 3.38. c_str_module
    39. 3.39. c_void_variant
    40. 3.40. can_vector
    41. 3.41. cell_leak
    42. 3.42. cell_update
    43. 3.43. cfg_accessible
    44. 3.44. cfg_eval
    45. 3.45. cfg_match
    46. 3.46. char_indices_offset
    47. 3.47. char_internals
    48. 3.48. char_min
    49. 3.49. clone_to_uninit
    50. 3.50. cmp_minmax
    51. 3.51. coerce_unsized
    52. 3.52. concat_bytes
    53. 3.53. concat_idents
    54. 3.54. const_align_of_val
    55. 3.55. const_align_of_val_raw
    56. 3.56. const_align_offset
    57. 3.57. const_alloc_error
    58. 3.58. const_alloc_layout
    59. 3.59. const_arguments_as_str
    60. 3.60. const_array_from_ref
    61. 3.61. const_array_into_iter_constructors
    62. 3.62. const_atomic_from_ptr
    63. 3.63. const_bigint_helper_methods
    64. 3.64. const_binary_heap_new_in
    65. 3.65. const_black_box
    66. 3.66. const_box
    67. 3.67. const_btree_len
    68. 3.68. const_cell_into_inner
    69. 3.69. const_collections_with_hasher
    70. 3.70. const_cow_is_borrowed
    71. 3.71. const_eval_select
    72. 3.72. const_exact_div
    73. 3.73. const_float_bits_conv
    74. 3.74. const_float_classify
    75. 3.75. const_fmt_arguments_new
    76. 3.76. const_format_args
    77. 3.77. const_hash
    78. 3.78. const_heap
    79. 3.79. const_index_range_slice_index
    80. 3.80. const_int_from_str
    81. 3.81. const_intoiterator_identity
    82. 3.82. const_intrinsic_compare_bytes
    83. 3.83. const_intrinsic_copy
    84. 3.84. const_intrinsic_forget
    85. 3.85. const_intrinsic_raw_eq
    86. 3.86. const_ip
    87. 3.87. const_ipv4
    88. 3.88. const_ipv6
    89. 3.89. const_likely
    90. 3.90. const_maybe_uninit_array_assume_init
    91. 3.91. const_maybe_uninit_as_mut_ptr
    92. 3.92. const_maybe_uninit_assume_init
    93. 3.93. const_maybe_uninit_uninit_array
    94. 3.94. const_maybe_uninit_write
    95. 3.95. const_nonnull_new
    96. 3.96. const_num_midpoint
    97. 3.97. const_option
    98. 3.98. const_option_ext
    99. 3.99. const_pin
    100. 3.100. const_pointer_is_aligned
    101. 3.101. const_pref_align_of
    102. 3.102. const_ptr_as_ref
    103. 3.103. const_ptr_is_null
    104. 3.104. const_ptr_sub_ptr
    105. 3.105. const_ptr_write
    106. 3.106. const_range_bounds
    107. 3.107. const_raw_ptr_comparison
    108. 3.108. const_replace
    109. 3.109. const_result
    110. 3.110. const_size_of_val
    111. 3.111. const_size_of_val_raw
    112. 3.112. const_slice_first_last
    113. 3.113. const_slice_first_last_chunk
    114. 3.114. const_slice_flatten
    115. 3.115. const_slice_from_mut_ptr_range
    116. 3.116. const_slice_from_ptr_range
    117. 3.117. const_slice_from_raw_parts_mut
    118. 3.118. const_slice_from_ref
    119. 3.119. const_slice_index
    120. 3.120. const_slice_split_at_mut
    121. 3.121. const_str_from_raw_parts_mut
    122. 3.122. const_str_from_utf8
    123. 3.123. const_str_from_utf8_unchecked_mut
    124. 3.124. const_strict_overflow_ops
    125. 3.125. const_swap
    126. 3.126. const_three_way_compare
    127. 3.127. const_type_id
    128. 3.128. const_type_name
    129. 3.129. const_typed_swap
    130. 3.130. const_ub_checks
    131. 3.131. const_unicode_case_lookup
    132. 3.132. const_unsafecell_get_mut
    133. 3.133. const_waker
    134. 3.134. container_error_extra
    135. 3.135. context_ext
    136. 3.136. control_flow_enum
    137. 3.137. convert_float_to_int
    138. 3.138. core_intrinsics
    139. 3.139. core_io_borrowed_buf
    140. 3.140. core_pattern_type
    141. 3.141. core_pattern_types
    142. 3.142. core_private_bignum
    143. 3.143. core_private_diy_float
    144. 3.144. coroutine_trait
    145. 3.145. cow_is_borrowed
    146. 3.146. cstr_bytes
    147. 3.147. cstr_internals
    148. 3.148. cursor_remaining
    149. 3.149. deadline_api
    150. 3.150. debug_closure_helpers
    151. 3.151. dec2flt
    152. 3.152. deref_pure_trait
    153. 3.153. derive_clone_copy
    154. 3.154. derive_const
    155. 3.155. derive_eq
    156. 3.156. dir_entry_ext2
    157. 3.157. discriminant_kind
    158. 3.158. dispatch_from_dyn
    159. 3.159. downcast_unchecked
    160. 3.160. drain_keep_rest
    161. 3.161. duration_constants
    162. 3.162. duration_constructors
    163. 3.163. duration_consts_float
    164. 3.164. duration_millis_float
    165. 3.165. duration_units
    166. 3.166. edition_panic
    167. 3.167. effect_types
    168. 3.168. entry_insert
    169. 3.169. error_generic_member_access
    170. 3.170. error_iter
    171. 3.171. error_reporter
    172. 3.172. error_type_id
    173. 3.173. exact_size_is_empty
    174. 3.174. exclusive_wrapper
    175. 3.175. exit_status_error
    176. 3.176. exitcode_exit_method
    177. 3.177. exposed_provenance
    178. 3.178. extend_one
    179. 3.179. extend_one_unchecked
    180. 3.180. extract_if
    181. 3.181. fd
    182. 3.182. fd_read
    183. 3.183. float_gamma
    184. 3.184. float_minimum_maximum
    185. 3.185. float_next_up_down
    186. 3.186. flt2dec
    187. 3.187. fmt_helpers_for_derive
    188. 3.188. fmt_internals
    189. 3.189. fn_ptr_trait
    190. 3.190. fn_traits
    191. 3.191. forget_unsized
    192. 3.192. format_args_nl
    193. 3.193. freeze
    194. 3.194. future_join
    195. 3.195. gen_future
    196. 3.196. generic_assert_internals
    197. 3.197. get_many_mut
    198. 3.198. get_mut_unchecked
    199. 3.199. hash_extract_if
    200. 3.200. hash_raw_entry
    201. 3.201. hash_set_entry
    202. 3.202. hasher_prefixfree_extras
    203. 3.203. hashmap_internals
    204. 3.204. hint_must_use
    205. 3.205. inplace_iteration
    206. 3.206. int_roundings
    207. 3.207. integer_atomics
    208. 3.208. integer_sign_cast
    209. 3.209. internal_impls_macro
    210. 3.210. internal_output_capture
    211. 3.211. io_error_more
    212. 3.212. io_error_uncategorized
    213. 3.213. ip
    214. 3.214. is_ascii_octdigit
    215. 3.215. is_none_or
    216. 3.216. is_riscv_feature_detected
    217. 3.217. is_sorted
    218. 3.218. is_val_statically_known
    219. 3.219. isqrt
    220. 3.220. iter_advance_by
    221. 3.221. iter_array_chunks
    222. 3.222. iter_chain
    223. 3.223. iter_collect_into
    224. 3.224. iter_from_coroutine
    225. 3.225. iter_intersperse
    226. 3.226. iter_is_partitioned
    227. 3.227. iter_map_windows
    228. 3.228. iter_next_chunk
    229. 3.229. iter_order_by
    230. 3.230. iter_partition_in_place
    231. 3.231. iter_repeat_n
    232. 3.232. iterator_try_collect
    233. 3.233. iterator_try_reduce
    234. 3.234. junction_point
    235. 3.235. layout_for_ptr
    236. 3.236. lazy_cell_into_inner
    237. 3.237. liballoc_internals
    238. 3.238. libstd_sys_internals
    239. 3.239. linked_list_cursors
    240. 3.240. linked_list_remove
    241. 3.241. linked_list_retain
    242. 3.242. linux_pidfd
    243. 3.243. local_waker
    244. 3.244. log_syntax
    245. 3.245. map_entry_replace
    246. 3.246. map_many_mut
    247. 3.247. map_try_insert
    248. 3.248. mapped_lock_guards
    249. 3.249. maybe_uninit_array_assume_init
    250. 3.250. maybe_uninit_as_bytes
    251. 3.251. maybe_uninit_fill
    252. 3.252. maybe_uninit_slice
    253. 3.253. maybe_uninit_uninit_array
    254. 3.254. maybe_uninit_uninit_array_transpose
    255. 3.255. maybe_uninit_write_slice
    256. 3.256. mem_copy_fn
    257. 3.257. more_float_constants
    258. 3.258. new_range_api
    259. 3.259. new_uninit
    260. 3.260. non_zero_count_ones
    261. 3.261. nonzero_from_mut
    262. 3.262. nonzero_internals
    263. 3.263. nonzero_ops
    264. 3.264. noop_waker
    265. 3.265. num_midpoint
    266. 3.266. numfmt
    267. 3.267. once_cell_get_mut
    268. 3.268. once_cell_try
    269. 3.269. once_cell_try_insert
    270. 3.270. one_sided_range
    271. 3.271. option_get_or_insert_default
    272. 3.272. option_zip
    273. 3.273. os_str_display
    274. 3.274. os_str_slice
    275. 3.275. os_string_pathbuf_leak
    276. 3.276. panic_abort
    277. 3.277. panic_always_abort
    278. 3.278. panic_backtrace_config
    279. 3.279. panic_can_unwind
    280. 3.280. panic_internals
    281. 3.281. panic_payload_as_str
    282. 3.282. panic_unwind
    283. 3.283. panic_update_hook
    284. 3.284. path_add_extension
    285. 3.285. path_file_prefix
    286. 3.286. pattern
    287. 3.287. peer_credentials_unix_socket
    288. 3.288. pin_deref_mut
    289. 3.289. pointer_is_aligned_to
    290. 3.290. pointer_like_trait
    291. 3.291. portable_simd
    292. 3.292. prelude_2024
    293. 3.293. print_internals
    294. 3.294. proc_macro_def_site
    295. 3.295. proc_macro_diagnostic
    296. 3.296. proc_macro_expand
    297. 3.297. proc_macro_internals
    298. 3.298. proc_macro_quote
    299. 3.299. proc_macro_span
    300. 3.300. proc_macro_tracked_env
    301. 3.301. process_exitcode_internals
    302. 3.302. process_internals
    303. 3.303. profiler_runtime_lib
    304. 3.304. ptr_alignment_type
    305. 3.305. ptr_as_ref_unchecked
    306. 3.306. ptr_as_uninit
    307. 3.307. ptr_internals
    308. 3.308. ptr_mask
    309. 3.309. ptr_metadata
    310. 3.310. ptr_sub_ptr
    311. 3.311. pub_crate_should_not_need_unstable_attr
    312. 3.312. raw_os_error_ty
    313. 3.313. raw_slice_split
    314. 3.314. raw_vec_internals
    315. 3.315. read_buf
    316. 3.316. ready_into_inner
    317. 3.317. receiver_trait
    318. 3.318. reentrant_lock
    319. 3.319. restricted_std
    320. 3.320. result_flattening
    321. 3.321. round_char_boundary
    322. 3.322. rt
    323. 3.323. rustc_encodable_decodable
    324. 3.324. sealed
    325. 3.325. seek_stream_len
    326. 3.326. set_ptr_value
    327. 3.327. setgroups
    328. 3.328. sgx_platform
    329. 3.329. sized_type_properties
    330. 3.330. slice_as_chunks
    331. 3.331. slice_concat_ext
    332. 3.332. slice_concat_trait
    333. 3.333. slice_from_ptr_range
    334. 3.334. slice_index_methods
    335. 3.335. slice_internals
    336. 3.336. slice_iter_mut_as_mut_slice
    337. 3.337. slice_partition_dedup
    338. 3.338. slice_pattern
    339. 3.339. slice_ptr_get
    340. 3.340. slice_range
    341. 3.341. slice_split_once
    342. 3.342. slice_swap_unchecked
    343. 3.343. slice_take
    344. 3.344. solid_ext
    345. 3.345. sort_floats
    346. 3.346. split_array
    347. 3.347. split_as_slice
    348. 3.348. std_internals
    349. 3.349. stdarch_arm_feature_detection
    350. 3.350. stdarch_mips_feature_detection
    351. 3.351. stdarch_powerpc_feature_detection
    352. 3.352. stdio_makes_pipe
    353. 3.353. step_trait
    354. 3.354. str_from_raw_parts
    355. 3.355. str_from_utf16_endian
    356. 3.356. str_internals
    357. 3.357. str_lines_remainder
    358. 3.358. str_split_inclusive_remainder
    359. 3.359. str_split_remainder
    360. 3.360. str_split_whitespace_remainder
    361. 3.361. strict_overflow_ops
    362. 3.362. strict_provenance_atomic_ptr
    363. 3.363. string_extend_from_within
    364. 3.364. string_remove_matches
    365. 3.365. sync_unsafe_cell
    366. 3.366. tcp_deferaccept
    367. 3.367. tcp_linger
    368. 3.368. tcp_quickack
    369. 3.369. tcplistener_into_incoming
    370. 3.370. test
    371. 3.371. thin_box
    372. 3.372. thread_id_value
    373. 3.373. thread_local_internals
    374. 3.374. thread_sleep_until
    375. 3.375. thread_spawn_unchecked
    376. 3.376. trace_macros
    377. 3.377. track_path
    378. 3.378. transmutability
    379. 3.379. trusted_fused
    380. 3.380. trusted_len
    381. 3.381. trusted_len_next_unchecked
    382. 3.382. trusted_random_access
    383. 3.383. trusted_step
    384. 3.384. try_find
    385. 3.385. try_reserve_kind
    386. 3.386. try_trait_v2
    387. 3.387. try_trait_v2_residual
    388. 3.388. try_trait_v2_yeet
    389. 3.389. try_with_capacity
    390. 3.390. tuple_trait
    391. 3.391. type_ascription
    392. 3.392. ub_checks
    393. 3.393. uefi_std
    394. 3.394. unchecked_neg
    395. 3.395. unchecked_shifts
    396. 3.396. unicode_internals
    397. 3.397. unique_rc_arc
    398. 3.398. unix_file_vectored_at
    399. 3.399. unix_set_mark
    400. 3.400. unix_socket_ancillary_data
    401. 3.401. unix_socket_peek
    402. 3.402. unsafe_cell_from_mut
    403. 3.403. unsafe_pin_internals
    404. 3.404. unsize
    405. 3.405. unwrap_infallible
    406. 3.406. update_panic_count
    407. 3.407. utf16_extra
    408. 3.408. utf16_extra_const
    409. 3.409. variant_count
    410. 3.410. vec_into_raw_parts
    411. 3.411. vec_pop_if
    412. 3.412. vec_push_within_capacity
    413. 3.413. vec_split_at_spare
    414. 3.414. waker_getters
    415. 3.415. wasi_ext
    416. 3.416. windows_by_handle
    417. 3.417. windows_c
    418. 3.418. windows_change_time
    419. 3.419. windows_handle
    420. 3.420. windows_net
    421. 3.421. windows_process_exit_code_from
    422. 3.422. windows_process_extensions_async_pipes
    423. 3.423. windows_process_extensions_force_quotes
    424. 3.424. windows_process_extensions_main_thread_handle
    425. 3.425. windows_process_extensions_raw_attribute
    426. 3.426. windows_process_extensions_show_window
    427. 3.427. windows_stdio
    428. 3.428. wrapping_int_impl
    429. 3.429. wrapping_next_power_of_two
    430. 3.430. write_all_vectored
    431. 3.431. yeet_desugar_details

The Rust Unstable Book

Compiler flags