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. annotate_moves
   3. 2.3. autodiff
   4. 2.4. branch_protection
   5. 2.5. cache_proc_macros
   6. 2.6. cf_protection
   7. 2.7. codegen_backend
   8. 2.8. codegen_options
   9. 2.9. codegen_source_order
   10. 2.10. control_flow_guard
   11. 2.11. coverage_options
   12. 2.12. crate_attr
   13. 2.13. debug_info_for_profiling
   14. 2.14. debug_info_type_line_numbers
   15. 2.15. default_visibility
   16. 2.16. direct_access_external_data
   17. 2.17. dump_mono_stats
   18. 2.18. dump_mono_stats_format
   19. 2.19. dylib_lto
   20. 2.20. eagerly_emit_delayed_bugs
   21. 2.21. embed_metadata
   22. 2.22. embed_source
   23. 2.23. emit_stack_sizes
   24. 2.24. emscripten_wasm_eh
   25. 2.25. env_set
   26. 2.26. export_executable_symbols
   27. 2.27. extern_options
   28. 2.28. external_clangrt
   29. 2.29. fixed_x18
   30. 2.30. fmt_debug
   31. 2.31. function_return
   32. 2.32. hint_mostly_unused
   33. 2.33. indirect_branch_cs_prefix
   34. 2.34. instrument_xray
   35. 2.35. large_data_threshold
   36. 2.36. link_native_libraries
   37. 2.37. lint_llvm_ir
   38. 2.38. llvm_module_flag
   39. 2.39. location_detail
   40. 2.40. macro_stats
   41. 2.41. min_function_alignment
   42. 2.42. min_recursive_limit
   43. 2.43. move_size_limit
   44. 2.44. no_parallel_llvm
   45. 2.45. no_steal_thir
   46. 2.46. no_unique_section_names
   47. 2.47. offload
   48. 2.48. on_broken_pipe
   49. 2.49. patchable_function_entry
   50. 2.50. print_check_cfg
   51. 2.51. print_crate_root_lint_levels
   52. 2.52. print_supported_crate_types
   53. 2.53. profile_sample_use
   54. 2.54. randomize_layout
   55. 2.55. reg_struct_return
   56. 2.56. regparm
   57. 2.57. remap_cwd_prefix
   58. 2.58. report_time
   59. 2.59. sanitizer
   60. 2.60. self_profile
   61. 2.61. self_profile_events
   62. 2.62. shell_argfiles
   63. 2.63. small_data_threshold
   64. 2.64. split_dwarf_out_dir
   65. 2.65. src_hash_algorithm
   66. 2.66. temps_dir
   67. 2.67. terminal_urls
   68. 2.68. tiny_const_eval_limit
   69. 2.69. tls_model
   70. 2.70. track_diagnostics
   71. 2.71. treat_err_as_bug
   72. 2.72. ub_checks
   73. 2.73. unsound_mir_opts
   74. 2.74. verbose_asm
   75. 2.75. virtual_function_elimination
   76. 2.76. wasm_c_abi
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_unadjusted
   11. 3.11. abi_vectorcall
   12. 3.12. abi_x86_interrupt
   13. 3.13. adt_const_params
   14. 3.14. alloc_error_handler
   15. 3.15. allocator_internals
   16. 3.16. allow_internal_unsafe
   17. 3.17. allow_internal_unstable
   18. 3.18. anonymous_lifetime_in_impl_trait
   19. 3.19. apx_target_feature
   20. 3.20. arbitrary_self_types
   21. 3.21. arbitrary_self_types_pointers
   22. 3.22. arm_target_feature
   23. 3.23. asm_experimental_arch
   24. 3.24. asm_experimental_reg
   25. 3.25. asm_goto_with_outputs
   26. 3.26. asm_unwind
   27. 3.27. associated_type_defaults
   28. 3.28. async_drop
   29. 3.29. async_fn_in_dyn_trait
   30. 3.30. async_fn_track_caller
   31. 3.31. async_for_loop
   32. 3.32. async_trait_bounds
   33. 3.33. auto_traits
   34. 3.34. avr_target_feature
   35. 3.35. avx10_target_feature
   36. 3.36. box_patterns
   37. 3.37. bpf_target_feature
   38. 3.38. builtin_syntax
   39. 3.39. c_variadic
   40. 3.40. c_variadic_naked_functions
   41. 3.41. cfg_contract_checks
   42. 3.42. cfg_emscripten_wasm_eh
   43. 3.43. cfg_overflow_checks
   44. 3.44. cfg_relocation_model
   45. 3.45. cfg_sanitize
   46. 3.46. cfg_sanitizer_cfi
   47. 3.47. cfg_target_compact
   48. 3.48. cfg_target_has_atomic
   49. 3.49. cfg_target_has_atomic_equal_alignment
   50. 3.50. cfg_target_has_reliable_f16_f128
   51. 3.51. cfg_target_object_format
   52. 3.52. cfg_target_thread_local
   53. 3.53. cfg_ub_checks
   54. 3.54. cfg_version
   55. 3.55. cfi_encoding
   56. 3.56. closure_lifetime_binder
   57. 3.57. closure_track_caller
   58. 3.58. cmse_nonsecure_entry
   59. 3.59. compiler_builtins
   60. 3.60. const_async_blocks
   61. 3.61. const_block_items
   62. 3.62. const_c_variadic
   63. 3.63. const_closures
   64. 3.64. const_destruct
   65. 3.65. const_for
   66. 3.66. const_precise_live_drops
   67. 3.67. const_trait_impl
   68. 3.68. const_try
   69. 3.69. contracts
   70. 3.70. contracts_internals
   71. 3.71. coroutine_clone
   72. 3.72. coroutines
   73. 3.73. coverage_attribute
   74. 3.74. csky_target_feature
   75. 3.75. custom_inner_attributes
   76. 3.76. custom_mir
   77. 3.77. custom_test_frameworks
   78. 3.78. decl_macro
   79. 3.79. default_field_values
   80. 3.80. deprecated_suggestion
   81. 3.81. deref_patterns
   82. 3.82. derive_from
   83. 3.83. diagnostic_on_const
   84. 3.84. diagnostic_on_move
   85. 3.85. diagnostic_on_unknown
   86. 3.86. doc_cfg
   87. 3.87. doc_masked
   88. 3.88. doc_notable_trait
   89. 3.89. dropck_eyepatch
   90. 3.90. effective_target_features
   91. 3.91. eii_internals
   92. 3.92. ergonomic_clones
   93. 3.93. ermsb_target_feature
   94. 3.94. exhaustive_patterns
   95. 3.95. explicit_extern_abis
   96. 3.96. explicit_tail_calls
   97. 3.97. export_stable
   98. 3.98. extern_item_impls
   99. 3.99. extern_types
   100. 3.100. f128
   101. 3.101. f16
   102. 3.102. ffi_const
   103. 3.103. ffi_pure
   104. 3.104. field_projections
   105. 3.105. field_representing_type_raw
   106. 3.106. final_associated_functions
   107. 3.107. fmt_debug
   108. 3.108. fn_align
   109. 3.109. fn_delegation
   110. 3.110. freeze_impls
   111. 3.111. frontmatter
   112. 3.112. fundamental
   113. 3.113. gen_blocks
   114. 3.114. generic_assert
   115. 3.115. generic_const_args
   116. 3.116. generic_const_exprs
   117. 3.117. generic_const_items
   118. 3.118. generic_const_parameter_types
   119. 3.119. generic_pattern_types
   120. 3.120. global_registration
   121. 3.121. guard_patterns
   122. 3.122. half_open_range_patterns_in_slices
   123. 3.123. hexagon_target_feature
   124. 3.124. impl_restriction
   125. 3.125. impl_trait_in_assoc_type
   126. 3.126. impl_trait_in_bindings
   127. 3.127. impl_trait_in_fn_trait_return
   128. 3.128. import_trait_associated_functions
   129. 3.129. inherent_associated_types
   130. 3.130. intra_doc_pointers
   131. 3.131. intrinsics
   132. 3.132. lahfsahf_target_feature
   133. 3.133. lang_items
   134. 3.134. large_assignments
   135. 3.135. lazy_type_alias
   136. 3.136. link_arg_attribute
   137. 3.137. link_cfg
   138. 3.138. link_llvm_intrinsics
   139. 3.139. linkage
   140. 3.140. loongarch_target_feature
   141. 3.141. loop_match
   142. 3.142. m68k_target_feature
   143. 3.143. macro_attr
   144. 3.144. macro_derive
   145. 3.145. macro_guard_matcher
   146. 3.146. macro_metavar_expr
   147. 3.147. macro_metavar_expr_concat
   148. 3.148. marker_trait_attr
   149. 3.149. mgca_type_const_syntax
   150. 3.150. min_adt_const_params
   151. 3.151. min_generic_const_args
   152. 3.152. min_specialization
   153. 3.153. mips_target_feature
   154. 3.154. more_maybe_bounds
   155. 3.155. more_qualified_paths
   156. 3.156. movrs_target_feature
   157. 3.157. multiple_supertrait_upcastable
   158. 3.158. must_not_suspend
   159. 3.159. mut_ref
   160. 3.160. naked_functions_rustic_abi
   161. 3.161. naked_functions_target_feature
   162. 3.162. native_link_modifiers_as_needed
   163. 3.163. needs_panic_runtime
   164. 3.164. negative_bounds
   165. 3.165. negative_impls
   166. 3.166. never_patterns
   167. 3.167. never_type
   168. 3.168. new_range
   169. 3.169. no_core
   170. 3.170. non_exhaustive_omitted_patterns_lint
   171. 3.171. non_lifetime_binders
   172. 3.172. nvptx_target_feature
   173. 3.173. offset_of_enum
   174. 3.174. offset_of_slice
   175. 3.175. optimize_attribute
   176. 3.176. panic_runtime
   177. 3.177. patchable_function_entry
   178. 3.178. pattern_complexity_limit
   179. 3.179. pattern_types
   180. 3.180. pin_ergonomics
   181. 3.181. postfix_match
   182. 3.182. powerpc_target_feature
   183. 3.183. prelude_import
   184. 3.184. prfchw_target_feature
   185. 3.185. proc_macro_hygiene
   186. 3.186. profiler_runtime
   187. 3.187. raw_dylib_elf
   188. 3.188. reborrow
   189. 3.189. ref_pat_eat_one_layer_2024
   190. 3.190. ref_pat_eat_one_layer_2024_structural
   191. 3.191. register_tool
   192. 3.192. repr_simd
   193. 3.193. return_type_notation
   194. 3.194. riscv_target_feature
   195. 3.195. rtm_target_feature
   196. 3.196. rust_cold_cc
   197. 3.197. rust_preserve_none_cc
   198. 3.198. rustc_attrs
   199. 3.199. rustc_private
   200. 3.200. rustdoc_internals
   201. 3.201. rustdoc_missing_doc_code_examples
   202. 3.202. s390x_target_feature
   203. 3.203. sanitize
   204. 3.204. simd_ffi
   205. 3.205. sized_hierarchy
   206. 3.206. sparc_target_feature
   207. 3.207. specialization
   208. 3.208. staged_api
   209. 3.209. static_align
   210. 3.210. stmt_expr_attributes
   211. 3.211. strict_provenance_lints
   212. 3.212. structural_match
   213. 3.213. super_let
   214. 3.214. supertrait_item_shadowing
   215. 3.215. target_feature_inline_always
   216. 3.216. test_incomplete_feature
   217. 3.217. test_unstable_lint
   218. 3.218. thread_local
   219. 3.219. trait_alias
   220. 3.220. transmute_generic_consts
   221. 3.221. transparent_unions
   222. 3.222. trivial_bounds
   223. 3.223. try_blocks
   224. 3.224. try_blocks_heterogeneous
   225. 3.225. type_alias_impl_trait
   226. 3.226. type_changing_struct_update
   227. 3.227. unboxed_closures
   228. 3.228. unqualified_local_imports
   229. 3.229. unsafe_binders
   230. 3.230. unsafe_fields
   231. 3.231. unsized_const_params
   232. 3.232. unsized_fn_params
   233. 3.233. used_with_arg
   234. 3.234. wasm_target_feature
   235. 3.235. where_clause_attrs
   236. 3.236. with_negative_coherence
   237. 3.237. x86_amx_intrinsics
   238. 3.238. x87_target_feature
   239. 3.239. xop_target_feature
   240. 3.240. yeet_expr
   241. 3.241. yield_expr
5. 4. Library Features
   1. 4.1. abort_unwind
   2. 4.2. acceptfilter
   3. 4.3. addr_parse_ascii
   4. 4.4. align_to_uninit_mut
   5. 4.5. alloc_error_hook
   6. 4.6. alloc_internals
   7. 4.7. alloc_slice_into_array
   8. 4.8. allocator_api
   9. 4.9. alloctests
   10. 4.10. arc_is_unique
   11. 4.11. array_into_iter_constructors
   12. 4.12. array_ptr_get
   13. 4.13. array_try_from_fn
   14. 4.14. array_try_map
   15. 4.15. ascii_char
   16. 4.16. ascii_char_variants
   17. 4.17. async_fn_traits
   18. 4.18. async_gen_internals
   19. 4.19. async_iter_from_iter
   20. 4.20. async_iterator
   21. 4.21. atomic_from_mut
   22. 4.22. atomic_internals
   23. 4.23. atomic_ptr_null
   24. 4.24. autodiff
   25. 4.25. backtrace_frames
   26. 4.26. bikeshed_guaranteed_no_drop
   27. 4.27. binary_heap_as_mut_slice
   28. 4.28. binary_heap_drain_sorted
   29. 4.29. binary_heap_from_raw_vec
   30. 4.30. binary_heap_into_iter_sorted
   31. 4.31. binary_heap_peek_mut_refresh
   32. 4.32. binary_heap_pop_if
   33. 4.33. bool_to_result
   34. 4.34. borrowed_buf_init
   35. 4.35. bound_as_ref
   36. 4.36. bound_copied
   37. 4.37. box_as_ptr
   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_void_variant
   53. 4.53. can_vector
   54. 4.54. case_ignorable
   55. 4.55. cast_maybe_uninit
   56. 4.56. cell_get_cloned
   57. 4.57. cell_leak
   58. 4.58. cfg_accessible
   59. 4.59. cfg_eval
   60. 4.60. char_internals
   61. 4.61. char_max_len
   62. 4.62. clamp_magnitude
   63. 4.63. clone_from_ref
   64. 4.64. clone_to_uninit
   65. 4.65. cmp_minmax
   66. 4.66. coerce_pointee_validated
   67. 4.67. coerce_unsized
   68. 4.68. command_resolved_envs
   69. 4.69. concat_bytes
   70. 4.70. const_alloc_error
   71. 4.71. const_array
   72. 4.72. const_bool
   73. 4.73. const_btree_len
   74. 4.74. const_carrying_mul_add
   75. 4.75. const_cell_traits
   76. 4.76. const_clone
   77. 4.77. const_cmp
   78. 4.78. const_control_flow
   79. 4.79. const_convert
   80. 4.80. const_default
   81. 4.81. const_drop_guard
   82. 4.82. const_drop_in_place
   83. 4.83. const_eval_select
   84. 4.84. const_format_args
   85. 4.85. const_heap
   86. 4.86. const_index
   87. 4.87. const_iter
   88. 4.88. const_manually_drop_take
   89. 4.89. const_never_short_circuit
   90. 4.90. const_nonnull_with_exposed_provenance
   91. 4.91. const_ops
   92. 4.92. const_option_ops
   93. 4.93. const_param_ty_trait
   94. 4.94. const_path_separators
   95. 4.95. const_range
   96. 4.96. const_range_bounds
   97. 4.97. const_raw_ptr_comparison
   98. 4.98. const_ref_cell
   99. 4.99. const_result_trait_fn
   100. 4.100. const_result_unwrap_unchecked
   101. 4.101. const_select_unpredictable
   102. 4.102. const_slice_from_mut_ptr_range
   103. 4.103. const_slice_from_ptr_range
   104. 4.104. const_slice_make_iter
   105. 4.105. const_split_off_first_last
   106. 4.106. const_swap_with_slice
   107. 4.107. const_try_residual
   108. 4.108. const_type_name
   109. 4.109. const_unsigned_bigint_helpers
   110. 4.110. container_error_extra
   111. 4.111. context_ext
   112. 4.112. control_flow_into_value
   113. 4.113. convert_float_to_int
   114. 4.114. copied_into_inner
   115. 4.115. core_float_math
   116. 4.116. core_intrinsics
   117. 4.117. core_intrinsics_fallbacks
   118. 4.118. core_io_borrowed_buf
   119. 4.119. core_private_bignum
   120. 4.120. core_private_diy_float
   121. 4.121. coroutine_trait
   122. 4.122. cow_is_borrowed
   123. 4.123. cstr_bytes
   124. 4.124. cstr_display
   125. 4.125. cstr_internals
   126. 4.126. current_thread_id
   127. 4.127. cursor_split
   128. 4.128. darwin_objc
   129. 4.129. deadline_api
   130. 4.130. debug_closure_helpers
   131. 4.131. dec2flt
   132. 4.132. deque_extend_front
   133. 4.133. deref_pure_trait
   134. 4.134. derive_clone_copy_internals
   135. 4.135. derive_coerce_pointee
   136. 4.136. derive_const
   137. 4.137. derive_eq_internals
   138. 4.138. derive_macro_global_path
   139. 4.139. dir_entry_ext2
   140. 4.140. dirfd
   141. 4.141. dirhandle
   142. 4.142. discriminant_kind
   143. 4.143. disjoint_bitor
   144. 4.144. dispatch_from_dyn
   145. 4.145. downcast_unchecked
   146. 4.146. drain_keep_rest
   147. 4.147. drop_guard
   148. 4.148. duration_constants
   149. 4.149. duration_constructors
   150. 4.150. duration_integer_division
   151. 4.151. duration_millis_float
   152. 4.152. duration_units
   153. 4.153. edition_panic
   154. 4.154. error_generic_member_access
   155. 4.155. error_iter
   156. 4.156. error_reporter
   157. 4.157. error_type_id
   158. 4.158. exact_bitshifts
   159. 4.159. exact_div
   160. 4.160. exact_size_is_empty
   161. 4.161. exclusive_wrapper
   162. 4.162. exit_status_error
   163. 4.163. exitcode_exit_method
   164. 4.164. extend_one
   165. 4.165. extend_one_unchecked
   166. 4.166. fd
   167. 4.167. file_buffered
   168. 4.168. float_algebraic
   169. 4.169. float_bits_const
   170. 4.170. float_erf
   171. 4.171. float_exact_integer_constants
   172. 4.172. float_gamma
   173. 4.173. float_minimum_maximum
   174. 4.174. flt2dec
   175. 4.175. fmt_arguments_from_str
   176. 4.176. fmt_helpers_for_derive
   177. 4.177. fmt_internals
   178. 4.178. fn_ptr_trait
   179. 4.179. fn_traits
   180. 4.180. forget_unsized
   181. 4.181. format_args_nl
   182. 4.182. formatting_options
   183. 4.183. freeze
   184. 4.184. fs_set_times
   185. 4.185. funnel_shifts
   186. 4.186. future_join
   187. 4.187. gen_future
   188. 4.188. generic_assert_internals
   189. 4.189. generic_atomic
   190. 4.190. get_disjoint_mut_helpers
   191. 4.191. get_mut_unchecked
   192. 4.192. gethostname
   193. 4.193. gpu_intrinsics
   194. 4.194. hash_map_internals
   195. 4.195. hash_map_macro
   196. 4.196. hash_set_entry
   197. 4.197. hasher_prefixfree_extras
   198. 4.198. hashmap_internals
   199. 4.199. hint_must_use
   200. 4.200. hint_prefetch
   201. 4.201. inplace_iteration
   202. 4.202. int_format_into
   203. 4.203. int_from_ascii
   204. 4.204. int_roundings
   205. 4.205. integer_atomics
   206. 4.206. integer_extend_truncate
   207. 4.207. internal_output_capture
   208. 4.208. io_const_error
   209. 4.209. io_const_error_internals
   210. 4.210. io_error_inprogress
   211. 4.211. io_error_more
   212. 4.212. io_error_uncategorized
   213. 4.213. io_slice_as_bytes
   214. 4.214. ip
   215. 4.215. ip_as_octets
   216. 4.216. ip_multicast_reserved
   217. 4.217. is_ascii_octdigit
   218. 4.218. is_loongarch_feature_detected
   219. 4.219. is_riscv_feature_detected
   220. 4.220. iter_advance_by
   221. 4.221. iter_array_chunks
   222. 4.222. iter_collect_into
   223. 4.223. iter_from_coroutine
   224. 4.224. iter_intersperse
   225. 4.225. iter_is_partitioned
   226. 4.226. iter_macro
   227. 4.227. iter_map_windows
   228. 4.228. iter_next_chunk
   229. 4.229. iter_order_by
   230. 4.230. iter_partition_in_place
   231. 4.231. iterator_try_collect
   232. 4.232. iterator_try_reduce
   233. 4.233. junction_point
   234. 4.234. layout_for_ptr
   235. 4.235. lazy_cell_into_inner
   236. 4.236. legacy_receiver_trait
   237. 4.237. liballoc_internals
   238. 4.238. libstd_sys_internals
   239. 4.239. likely_unlikely
   240. 4.240. linked_list_cursors
   241. 4.241. linked_list_remove
   242. 4.242. linked_list_retain
   243. 4.243. linux_pidfd
   244. 4.244. local_key_cell_update
   245. 4.245. local_waker
   246. 4.246. lock_value_accessors
   247. 4.247. log_syntax
   248. 4.248. map_try_insert
   249. 4.249. mapped_lock_guards
   250. 4.250. maybe_dangling
   251. 4.251. maybe_uninit_array_assume_init
   252. 4.252. maybe_uninit_as_bytes
   253. 4.253. maybe_uninit_fill
   254. 4.254. maybe_uninit_uninit_array_transpose
   255. 4.255. mem_conjure_zst
   256. 4.256. mem_copy_fn
   257. 4.257. more_float_constants
   258. 4.258. motor_ext
   259. 4.259. mpmc_channel
   260. 4.260. mpsc_is_disconnected
   261. 4.261. mutex_data_ptr
   262. 4.262. new_range_api_legacy
   263. 4.263. new_range_remainder
   264. 4.264. next_index
   265. 4.265. nonpoison_condvar
   266. 4.266. nonpoison_mutex
   267. 4.267. nonpoison_rwlock
   268. 4.268. nonzero_bitwise
   269. 4.269. nonzero_from_mut
   270. 4.270. nonzero_from_str_radix
   271. 4.271. nonzero_internals
   272. 4.272. nonzero_ops
   273. 4.273. normalize_lexically
   274. 4.274. num_internals
   275. 4.275. numfmt
   276. 4.276. objc_class_variant
   277. 4.277. objc_selector_variant
   278. 4.278. once_cell_get_mut
   279. 4.279. once_cell_try
   280. 4.280. once_cell_try_insert
   281. 4.281. one_sided_range
   282. 4.282. oneshot_channel
   283. 4.283. option_array_transpose
   284. 4.284. option_get_or_try_insert_with
   285. 4.285. option_into_flat_iter
   286. 4.286. option_reduce
   287. 4.287. option_reference_flattening
   288. 4.288. option_zip
   289. 4.289. os_str_slice
   290. 4.290. os_string_truncate
   291. 4.291. panic_abort
   292. 4.292. panic_always_abort
   293. 4.293. panic_backtrace_config
   294. 4.294. panic_can_unwind
   295. 4.295. panic_internals
   296. 4.296. panic_unwind
   297. 4.297. panic_update_hook
   298. 4.298. partial_ord_chaining_methods
   299. 4.299. path_absolute_method
   300. 4.300. path_is_empty
   301. 4.301. path_trailing_sep
   302. 4.302. pattern
   303. 4.303. pattern_type_macro
   304. 4.304. pattern_type_range_trait
   305. 4.305. peer_credentials_unix_socket
   306. 4.306. phantom_variance_markers
   307. 4.307. pin_coerce_unsized_trait
   308. 4.308. pin_derefmut_internals
   309. 4.309. pointer_is_aligned_to
   310. 4.310. pointer_try_cast_aligned
   311. 4.311. portable_simd
   312. 4.312. prelude_future
   313. 4.313. prelude_next
   314. 4.314. print_internals
   315. 4.315. proc_macro_def_site
   316. 4.316. proc_macro_diagnostic
   317. 4.317. proc_macro_expand
   318. 4.318. proc_macro_internals
   319. 4.319. proc_macro_quote
   320. 4.320. proc_macro_span
   321. 4.321. proc_macro_totokens
   322. 4.322. proc_macro_tracked_env
   323. 4.323. proc_macro_tracked_path
   324. 4.324. proc_macro_value
   325. 4.325. process_chroot
   326. 4.326. process_exitcode_internals
   327. 4.327. process_internals
   328. 4.328. process_setsid
   329. 4.329. profiler_runtime_lib
   330. 4.330. profiling_marker_api
   331. 4.331. ptr_alignment_type
   332. 4.332. ptr_as_uninit
   333. 4.333. ptr_cast_array
   334. 4.334. ptr_cast_slice
   335. 4.335. ptr_internals
   336. 4.336. ptr_mask
   337. 4.337. ptr_metadata
   338. 4.338. pub_crate_should_not_need_unstable_attr
   339. 4.339. random
   340. 4.340. range_bounds_is_empty
   341. 4.341. range_into_bounds
   342. 4.342. raw_os_error_ty
   343. 4.343. raw_slice_split
   344. 4.344. raw_vec_internals
   345. 4.345. read_array
   346. 4.346. read_buf
   347. 4.347. read_buf_at
   348. 4.348. reentrant_lock
   349. 4.349. reentrant_lock_data_ptr
   350. 4.350. refcell_try_map
   351. 4.351. restricted_std
   352. 4.352. result_option_map_or_default
   353. 4.353. rev_into_inner
   354. 4.354. rt
   355. 4.355. rwlock_data_ptr
   356. 4.356. sealed
   357. 4.357. seek_io_take_position
   358. 4.358. seek_stream_len
   359. 4.359. set_permissions_nofollow
   360. 4.360. set_ptr_value
   361. 4.361. setgroups
   362. 4.362. sgx_platform
   363. 4.363. signed_bigint_helpers
   364. 4.364. sized_type_properties
   365. 4.365. slice_concat_ext
   366. 4.366. slice_concat_trait
   367. 4.367. slice_from_ptr_range
   368. 4.368. slice_index_methods
   369. 4.369. slice_internals
   370. 4.370. slice_iter_mut_as_mut_slice
   371. 4.371. slice_partial_sort_unstable
   372. 4.372. slice_partition_dedup
   373. 4.373. slice_pattern
   374. 4.374. slice_ptr_get
   375. 4.375. slice_range
   376. 4.376. slice_shift
   377. 4.377. slice_split_once
   378. 4.378. slice_swap_unchecked
   379. 4.379. sliceindex_wrappers
   380. 4.380. smart_pointer_try_map
   381. 4.381. solid_ext
   382. 4.382. sort_floats
   383. 4.383. split_array
   384. 4.384. split_as_slice
   385. 4.385. std_internals
   386. 4.386. stdarch_aarch64_feature_detection
   387. 4.387. stdarch_arm_feature_detection
   388. 4.388. stdarch_internal
   389. 4.389. stdarch_loongarch_feature_detection
   390. 4.390. stdarch_mips_feature_detection
   391. 4.391. stdarch_powerpc_feature_detection
   392. 4.392. stdarch_riscv_feature_detection
   393. 4.393. stdio_fd_consts
   394. 4.394. stdio_makes_pipe
   395. 4.395. stdio_swap
   396. 4.396. step_trait
   397. 4.397. str_as_str
   398. 4.398. str_from_raw_parts
   399. 4.399. str_from_utf16_endian
   400. 4.400. str_internals
   401. 4.401. str_lines_remainder
   402. 4.402. str_split_inclusive_remainder
   403. 4.403. str_split_remainder
   404. 4.404. str_split_whitespace_remainder
   405. 4.405. string_from_utf8_lossy_owned
   406. 4.406. string_into_chars
   407. 4.407. string_remove_matches
   408. 4.408. string_replace_in_place
   409. 4.409. strip_circumfix
   410. 4.410. substr_range
   411. 4.411. sync_nonpoison
   412. 4.412. sync_poison_mod
   413. 4.413. sync_unsafe_cell
   414. 4.414. tcp_deferaccept
   415. 4.415. tcp_linger
   416. 4.416. tcplistener_into_incoming
   417. 4.417. temporary_niche_types
   418. 4.418. test
   419. 4.419. thin_box
   420. 4.420. thread_id_value
   421. 4.421. thread_local_internals
   422. 4.422. thread_raw
   423. 4.423. thread_sleep_until
   424. 4.424. thread_spawn_hook
   425. 4.425. time_saturating_systemtime
   426. 4.426. time_systemtime_limits
   427. 4.427. titlecase
   428. 4.428. trace_macros
   429. 4.429. transmutability
   430. 4.430. transmute_neo
   431. 4.431. transmute_prefix
   432. 4.432. trim_prefix_suffix
   433. 4.433. trivial_clone
   434. 4.434. trusted_fused
   435. 4.435. trusted_len
   436. 4.436. trusted_len_next_unchecked
   437. 4.437. trusted_random_access
   438. 4.438. trusted_step
   439. 4.439. try_as_dyn
   440. 4.440. try_find
   441. 4.441. try_reserve_kind
   442. 4.442. try_trait_v2
   443. 4.443. try_trait_v2_residual
   444. 4.444. try_trait_v2_yeet
   445. 4.445. try_with_capacity
   446. 4.446. tuple_trait
   447. 4.447. type_ascription
   448. 4.448. type_info
   449. 4.449. ub_checks
   450. 4.450. uefi_std
   451. 4.451. uint_carryless_mul
   452. 4.452. uint_gather_scatter_bits
   453. 4.453. unicode_internals
   454. 4.454. unique_rc_arc
   455. 4.455. unix_file_vectored_at
   456. 4.456. unix_mkfifo
   457. 4.457. unix_send_signal
   458. 4.458. unix_set_mark
   459. 4.459. unix_socket_ancillary_data
   460. 4.460. unix_socket_exclbind
   461. 4.461. unix_socket_peek
   462. 4.462. unsafe_cell_access
   463. 4.463. unsafe_pinned
   464. 4.464. unsafe_unpin
   465. 4.465. unsize
   466. 4.466. unwrap_infallible
   467. 4.467. update_panic_count
   468. 4.468. utf16_extra
   469. 4.469. variant_count
   470. 4.470. vec_deque_extract_if
   471. 4.471. vec_deque_iter_as_slices
   472. 4.472. vec_deque_truncate_front
   473. 4.473. vec_fallible_shrink
   474. 4.474. vec_from_fn
   475. 4.475. vec_into_chunks
   476. 4.476. vec_peek_mut
   477. 4.477. vec_push_within_capacity
   478. 4.478. vec_recycle
   479. 4.479. vec_split_at_spare
   480. 4.480. vec_try_remove
   481. 4.481. waker_fn
   482. 4.482. waker_from_fn_ptr
   483. 4.483. wasi_ext
   484. 4.484. widening_mul
   485. 4.485. windows_by_handle
   486. 4.486. windows_c
   487. 4.487. windows_change_time
   488. 4.488. windows_freeze_file_times
   489. 4.489. windows_handle
   490. 4.490. windows_net
   491. 4.491. windows_process_exit_code_from
   492. 4.492. windows_process_extensions_async_pipes
   493. 4.493. windows_process_extensions_force_quotes
   494. 4.494. windows_process_extensions_inherit_handles
   495. 4.495. windows_process_extensions_main_thread_handle
   496. 4.496. windows_process_extensions_raw_attribute
   497. 4.497. windows_process_extensions_show_window
   498. 4.498. windows_process_extensions_startupinfo
   499. 4.499. windows_stdio
   500. 4.500. windows_unix_domain_sockets
   501. 4.501. wrapping_int_impl
   502. 4.502. wrapping_next_power_of_two
   503. 4.503. write_all_vectored
   504. 4.504. wtf8_internals
   505. 4.505. yeet_desugar_details