1. The Unstable Book
  2. 1. Compiler flags
    1. 1.1. linker_flavor
    2. 1.2. profile
  3. 2. Language features
    1. 2.1. abi_msp430_interrupt
    2. 2.2. abi_ptx
    3. 2.3. abi_thiscall
    4. 2.4. abi_unadjusted
    5. 2.5. abi_vectorcall
    6. 2.6. abi_x86_interrupt
    7. 2.7. allocator_internals
    8. 2.8. allow_fail
    9. 2.9. allow_internal_unsafe
    10. 2.10. allow_internal_unstable
    11. 2.11. arbitrary_self_types
    12. 2.12. asm
    13. 2.13. associated_type_defaults
    14. 2.14. attr_literals
    15. 2.15. box_patterns
    16. 2.16. box_syntax
    17. 2.17. catch_expr
    18. 2.18. cfg_target_feature
    19. 2.19. cfg_target_has_atomic
    20. 2.20. cfg_target_thread_local
    21. 2.21. cfg_target_vendor
    22. 2.22. compiler_builtins
    23. 2.23. concat_idents
    24. 2.24. const_fn
    25. 2.25. crate_in_paths
    26. 2.26. crate_visibility_modifier
    27. 2.27. custom_attribute
    28. 2.28. custom_derive
    29. 2.29. decl_macro
    30. 2.30. default_type_parameter_fallback
    31. 2.31. doc_cfg
    32. 2.32. doc_masked
    33. 2.33. doc_spotlight
    34. 2.34. dropck_eyepatch
    35. 2.35. dropck_parametricity
    36. 2.36. dyn_trait
    37. 2.37. exclusive_range_pattern
    38. 2.38. exhaustive_patterns
    39. 2.39. extern_absolute_paths
    40. 2.40. extern_in_paths
    41. 2.41. extern_types
    42. 2.42. external_doc
    43. 2.43. fn_must_use
    44. 2.44. fundamental
    45. 2.45. generators
    46. 2.46. generic_associated_types
    47. 2.47. generic_param_attrs
    48. 2.48. global_allocator
    49. 2.49. global_asm
    50. 2.50. if_while_or_patterns
    51. 2.51. in_band_lifetimes
    52. 2.52. intrinsics
    53. 2.53. lang_items
    54. 2.54. link_args
    55. 2.55. link_cfg
    56. 2.56. link_llvm_intrinsics
    57. 2.57. linkage
    58. 2.58. log_syntax
    59. 2.59. macro_at_most_once_rep
    60. 2.60. macro_lifetime_matcher
    61. 2.61. macro_reexport
    62. 2.62. macro_vis_matcher
    63. 2.63. main
    64. 2.64. naked_functions
    65. 2.65. needs_allocator
    66. 2.66. needs_panic_runtime
    67. 2.67. never_type
    68. 2.68. nll
    69. 2.69. no_core
    70. 2.70. no_debug
    71. 2.71. non_ascii_idents
    72. 2.72. non_exhaustive
    73. 2.73. non_modrs_mods
    74. 2.74. omit_gdb_pretty_printer_section
    75. 2.75. on_unimplemented
    76. 2.76. optin_builtin_traits
    77. 2.77. overlapping_marker_traits
    78. 2.78. panic_runtime
    79. 2.79. pattern_parentheses
    80. 2.80. placement_in_syntax
    81. 2.81. platform_intrinsics
    82. 2.82. plugin
    83. 2.83. plugin_registrar
    84. 2.84. prelude_import
    85. 2.85. proc_macro
    86. 2.86. profiler_runtime
    87. 2.87. quote
    88. 2.88. raw_identifiers
    89. 2.89. repr_simd
    90. 2.90. repr_transparent
    91. 2.91. repr128
    92. 2.92. rustc_attrs
    93. 2.93. rustc_const_unstable
    94. 2.94. rustc_diagnostic_macros
    95. 2.95. sanitizer_runtime
    96. 2.96. simd_ffi
    97. 2.97. slice_patterns
    98. 2.98. specialization
    99. 2.99. staged_api
    100. 2.100. start
    101. 2.101. static_nobundle
    102. 2.102. stmt_expr_attributes
    103. 2.103. structural_match
    104. 2.104. target_feature
    105. 2.105. termination_trait_test
    106. 2.106. thread_local
    107. 2.107. trace_macros
    108. 2.108. trait_alias
    109. 2.109. type_ascription
    110. 2.110. unboxed_closures
    111. 2.111. underscore_imports
    112. 2.112. unsized_tuple_coercion
    113. 2.113. untagged_unions
    114. 2.114. unwind_attributes
    115. 2.115. use_extern_macros
    116. 2.116. used
    117. 2.117. wasm_custom_section
    118. 2.118. wasm_import_module
  4. 3. Library Features
    1. 3.1. align_offset
    2. 3.2. alloc
    3. 3.3. alloc_jemalloc
    4. 3.4. alloc_system
    5. 3.5. allocator_api
    6. 3.6. array_error_internals
    7. 3.7. ascii_ctype
    8. 3.8. assoc_unix_epoch
    9. 3.9. box_heap
    10. 3.10. box_into_raw_non_null
    11. 3.11. bufreader_buffer
    12. 3.12. bufreader_is_empty
    13. 3.13. bufreader_seek_relative
    14. 3.14. c_void_variant
    15. 3.15. char_error_internals
    16. 3.16. coerce_unsized
    17. 3.17. collection_placement
    18. 3.18. collections_range
    19. 3.19. compiler_builtins_lib
    20. 3.20. concat_idents_macro
    21. 3.21. const_type_id
    22. 3.22. core_char_ext
    23. 3.23. core_float
    24. 3.24. core_intrinsics
    25. 3.25. core_panic
    26. 3.26. core_panic_info
    27. 3.27. core_private_bignum
    28. 3.28. core_private_diy_float
    29. 3.29. core_slice_ext
    30. 3.30. core_str_ext
    31. 3.31. deadline_api
    32. 3.32. dec2flt
    33. 3.33. decode_utf8
    34. 3.34. derive_clone_copy
    35. 3.35. derive_eq
    36. 3.36. drain_filter
    37. 3.37. duration_extras
    38. 3.38. duration_from_micros
    39. 3.39. entry_or_default
    40. 3.40. error_type_id
    41. 3.41. exact_chunks
    42. 3.42. exact_size_is_empty
    43. 3.43. fd
    44. 3.44. fd_read
    45. 3.45. fixed_size_array
    46. 3.46. flt2dec
    47. 3.47. fmt_flags_align
    48. 3.48. fmt_internals
    49. 3.49. fn_traits
    50. 3.50. fnbox
    51. 3.51. from_ref
    52. 3.52. future_atomic_orderings
    53. 3.53. generator_trait
    54. 3.54. get_type_id
    55. 3.55. hash_map_remove_entry
    56. 3.56. hashmap_internals
    57. 3.57. inclusive_range_fields
    58. 3.58. int_error_internals
    59. 3.59. integer_atomics
    60. 3.60. io
    61. 3.61. io_error_internals
    62. 3.62. ip
    63. 3.63. ip_constructors
    64. 3.64. iter_rfind
    65. 3.65. iter_rfold
    66. 3.66. iterator_flatten
    67. 3.67. iterator_repeat_with
    68. 3.68. iterator_step_by
    69. 3.69. iterator_try_fold
    70. 3.70. libstd_io_internals
    71. 3.71. libstd_sys_internals
    72. 3.72. libstd_thread_internals
    73. 3.73. linked_list_extras
    74. 3.74. lookup_host
    75. 3.75. map_entry_replace
    76. 3.76. map_get_key_value
    77. 3.77. mpsc_select
    78. 3.78. n16
    79. 3.79. no_panic_pow
    80. 3.80. nonnull_cast
    81. 3.81. nonzero
    82. 3.82. offset_to
    83. 3.83. once_poison
    84. 3.84. option_filter
    85. 3.85. panic_abort
    86. 3.86. panic_info_message
    87. 3.87. panic_internals
    88. 3.88. panic_unwind
    89. 3.89. path_ancestors
    90. 3.90. pattern
    91. 3.91. pin
    92. 3.92. placement_in
    93. 3.93. placement_new_protocol
    94. 3.94. print_internals
    95. 3.95. proc_macro_internals
    96. 3.96. process_exitcode_placeholder
    97. 3.97. process_internals
    98. 3.98. profiler_runtime_lib
    99. 3.99. ptr_internals
    100. 3.100. ptr_offset_from
    101. 3.101. ptr_wrapping_offset_from
    102. 3.102. range_contains
    103. 3.103. range_is_empty
    104. 3.104. raw
    105. 3.105. rc_downcast
    106. 3.106. read_initializer
    107. 3.107. refcell_replace_swap
    108. 3.108. reverse_bits
    109. 3.109. rt
    110. 3.110. rustc_private
    111. 3.111. sanitizer_runtime_lib
    112. 3.112. set_stdio
    113. 3.113. shrink_to
    114. 3.114. slice_concat_ext
    115. 3.115. slice_get_slice
    116. 3.116. slice_internals
    117. 3.117. slice_rsplit
    118. 3.118. slice_sort_by_cached_key
    119. 3.119. sort_internals
    120. 3.120. splice
    121. 3.121. std_internals
    122. 3.122. stdsimd
    123. 3.123. step_trait
    124. 3.124. str_escape
    125. 3.125. str_internals
    126. 3.126. swap_nonoverlapping
    127. 3.127. swap_with_slice
    128. 3.128. take_set_limit
    129. 3.129. termination_trait_lib
    130. 3.130. test
    131. 3.131. thread_local_internals
    132. 3.132. toowned_clone_into
    133. 3.133. transpose_result
    134. 3.134. trusted_len
    135. 3.135. try_from
    136. 3.136. try_reserve
    137. 3.137. try_trait
    138. 3.138. unicode
    139. 3.139. unix_ppid
    140. 3.140. unreachable
    141. 3.141. unsize
    142. 3.142. update_panic_count
    143. 3.143. vec_remove_item
    144. 3.144. vec_resize_default
    145. 3.145. wait_timeout_until
    146. 3.146. wait_until
    147. 3.147. windows_c
    148. 3.148. windows_file_type_ext
    149. 3.149. windows_handle
    150. 3.150. windows_net
    151. 3.151. windows_stdio
    152. 3.152. wrapping_int_impl

Compiler flags