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<ol class="chapter"><li class="affix"><a href="the-unstable-book.html">The Unstable Book</a></li><li><a href="compiler-flags.html"><strong aria-hidden="true">1.</strong> Compiler flags</a></li><li><ol class="section"><li><a href="compiler-flags/linker-flavor.html"><strong aria-hidden="true">1.1.</strong> linker_flavor</a></li><li><a href="compiler-flags/profile.html"><strong aria-hidden="true">1.2.</strong> profile</a></li></ol></li><li><a href="language-features.html"><strong aria-hidden="true">2.</strong> Language features</a></li><li><ol class="section"><li><a href="language-features/aarch64-target-feature.html"><strong aria-hidden="true">2.1.</strong> aarch64_target_feature</a></li><li><a href="language-features/abi-msp430-interrupt.html"><strong aria-hidden="true">2.2.</strong> abi_msp430_interrupt</a></li><li><a href="language-features/abi-ptx.html"><strong aria-hidden="true">2.3.</strong> abi_ptx</a></li><li><a href="language-features/abi-thiscall.html"><strong aria-hidden="true">2.4.</strong> abi_thiscall</a></li><li><a href="language-features/abi-unadjusted.html"><strong aria-hidden="true">2.5.</strong> abi_unadjusted</a></li><li><a href="language-features/abi-vectorcall.html"><strong aria-hidden="true">2.6.</strong> abi_vectorcall</a></li><li><a href="language-features/abi-x86-interrupt.html"><strong aria-hidden="true">2.7.</strong> abi_x86_interrupt</a></li><li><a href="language-features/allocator-internals.html"><strong aria-hidden="true">2.8.</strong> allocator_internals</a></li><li><a href="language-features/allow-fail.html"><strong aria-hidden="true">2.9.</strong> allow_fail</a></li><li><a href="language-features/allow-internal-unsafe.html"><strong aria-hidden="true">2.10.</strong> allow_internal_unsafe</a></li><li><a href="language-features/allow-internal-unstable.html"><strong aria-hidden="true">2.11.</strong> allow_internal_unstable</a></li><li><a href="language-features/arbitrary-self-types.html"><strong aria-hidden="true">2.12.</strong> arbitrary_self_types</a></li><li><a href="language-features/arm-target-feature.html"><strong aria-hidden="true">2.13.</strong> arm_target_feature</a></li><li><a href="language-features/asm.html"><strong aria-hidden="true">2.14.</strong> asm</a></li><li><a href="language-features/associated-type-defaults.html"><strong aria-hidden="true">2.15.</strong> associated_type_defaults</a></li><li><a href="language-features/attr-literals.html"><strong aria-hidden="true">2.16.</strong> attr_literals</a></li><li><a href="language-features/avx512-target-feature.html"><strong aria-hidden="true">2.17.</strong> avx512_target_feature</a></li><li><a href="language-features/box-patterns.html"><strong aria-hidden="true">2.18.</strong> box_patterns</a></li><li><a href="language-features/box-syntax.html"><strong aria-hidden="true">2.19.</strong> box_syntax</a></li><li><a href="language-features/catch-expr.html"><strong aria-hidden="true">2.20.</strong> catch_expr</a></li><li><a href="language-features/cfg-target-has-atomic.html"><strong aria-hidden="true">2.21.</strong> cfg_target_has_atomic</a></li><li><a href="language-features/cfg-target-thread-local.html"><strong aria-hidden="true">2.22.</strong> cfg_target_thread_local</a></li><li><a href="language-features/cfg-target-vendor.html"><strong aria-hidden="true">2.23.</strong> cfg_target_vendor</a></li><li><a href="language-features/compiler-builtins.html"><strong aria-hidden="true">2.24.</strong> compiler_builtins</a></li><li><a href="language-features/concat-idents.html"><strong aria-hidden="true">2.25.</strong> concat_idents</a></li><li><a href="language-features/const-fn.html"><strong aria-hidden="true">2.26.</strong> const_fn</a></li><li><a href="language-features/const-let.html"><strong aria-hidden="true">2.27.</strong> const_let</a></li><li><a href="language-features/crate-in-paths.html"><strong aria-hidden="true">2.28.</strong> crate_in_paths</a></li><li><a href="language-features/crate-visibility-modifier.html"><strong aria-hidden="true">2.29.</strong> crate_visibility_modifier</a></li><li><a href="language-features/custom-attribute.html"><strong aria-hidden="true">2.30.</strong> custom_attribute</a></li><li><a href="language-features/custom-derive.html"><strong aria-hidden="true">2.31.</strong> custom_derive</a></li><li><a href="language-features/decl-macro.html"><strong aria-hidden="true">2.32.</strong> decl_macro</a></li><li><a href="language-features/default-type-parameter-fallback.html"><strong aria-hidden="true">2.33.</strong> default_type_parameter_fallback</a></li><li><a href="language-features/doc-alias.html"><strong aria-hidden="true">2.34.</strong> doc_alias</a></li><li><a href="language-features/doc-cfg.html"><strong aria-hidden="true">2.35.</strong> doc_cfg</a></li><li><a href="language-features/doc-keyword.html"><strong aria-hidden="true">2.36.</strong> doc_keyword</a></li><li><a href="language-features/doc-masked.html"><strong aria-hidden="true">2.37.</strong> doc_masked</a></li><li><a href="language-features/doc-spotlight.html"><strong aria-hidden="true">2.38.</strong> doc_spotlight</a></li><li><a href="language-features/dropck-eyepatch.html"><strong aria-hidden="true">2.39.</strong> dropck_eyepatch</a></li><li><a href="language-features/dropck-parametricity.html"><strong aria-hidden="true">2.40.</strong> dropck_parametricity</a></li><li><a href="language-features/exclusive-range-pattern.html"><strong aria-hidden="true">2.41.</strong> exclusive_range_pattern</a></li><li><a href="language-features/exhaustive-patterns.html"><strong aria-hidden="true">2.42.</strong> exhaustive_patterns</a></li><li><a href="language-features/extern-absolute-paths.html"><strong aria-hidden="true">2.43.</strong> extern_absolute_paths</a></li><li><a href="language-features/extern-in-paths.html"><strong aria-hidden="true">2.44.</strong> extern_in_paths</a></li><li><a href="language-features/extern-prelude.html"><strong aria-hidden="true">2.45.</strong> extern_prelude</a></li><li><a href="language-features/extern-types.html"><strong aria-hidden="true">2.46.</strong> extern_types</a></li><li><a href="language-features/external-doc.html"><strong aria-hidden="true">2.47.</strong> external_doc</a></li><li><a href="language-features/fundamental.html"><strong aria-hidden="true">2.48.</strong> fundamental</a></li><li><a href="language-features/generators.html"><strong aria-hidden="true">2.49.</strong> generators</a></li><li><a href="language-features/generic-associated-types.html"><strong aria-hidden="true">2.50.</strong> generic_associated_types</a></li><li><a href="language-features/global-asm.html"><strong aria-hidden="true">2.51.</strong> global_asm</a></li><li><a href="language-features/hexagon-target-feature.html"><strong aria-hidden="true">2.52.</strong> hexagon_target_feature</a></li><li><a href="language-features/if-while-or-patterns.html"><strong aria-hidden="true">2.53.</strong> if_while_or_patterns</a></li><li><a href="language-features/in-band-lifetimes.html"><strong aria-hidden="true">2.54.</strong> in_band_lifetimes</a></li><li><a href="language-features/infer-outlives-requirements.html"><strong aria-hidden="true">2.55.</strong> infer_outlives_requirements</a></li><li><a href="language-features/intrinsics.html"><strong aria-hidden="true">2.56.</strong> intrinsics</a></li><li><a href="language-features/label-break-value.html"><strong aria-hidden="true">2.57.</strong> label_break_value</a></li><li><a href="language-features/lang-items.html"><strong aria-hidden="true">2.58.</strong> lang_items</a></li><li><a href="language-features/link-args.html"><strong aria-hidden="true">2.59.</strong> link_args</a></li><li><a href="language-features/link-cfg.html"><strong aria-hidden="true">2.60.</strong> link_cfg</a></li><li><a href="language-features/link-llvm-intrinsics.html"><strong aria-hidden="true">2.61.</strong> link_llvm_intrinsics</a></li><li><a href="language-features/linkage.html"><strong aria-hidden="true">2.62.</strong> linkage</a></li><li><a href="language-features/log-syntax.html"><strong aria-hidden="true">2.63.</strong> log_syntax</a></li><li><a href="language-features/macro-at-most-once-rep.html"><strong aria-hidden="true">2.64.</strong> macro_at_most_once_rep</a></li><li><a href="language-features/macro-literal-matcher.html"><strong aria-hidden="true">2.65.</strong> macro_literal_matcher</a></li><li><a href="language-features/macro-vis-matcher.html"><strong aria-hidden="true">2.66.</strong> macro_vis_matcher</a></li><li><a href="language-features/macros-in-extern.html"><strong aria-hidden="true">2.67.</strong> macros_in_extern</a></li><li><a href="language-features/main.html"><strong aria-hidden="true">2.68.</strong> main</a></li><li><a href="language-features/mips-target-feature.html"><strong aria-hidden="true">2.69.</strong> mips_target_feature</a></li><li><a href="language-features/mmx-target-feature.html"><strong aria-hidden="true">2.70.</strong> mmx_target_feature</a></li><li><a href="language-features/naked-functions.html"><strong aria-hidden="true">2.71.</strong> naked_functions</a></li><li><a href="language-features/needs-allocator.html"><strong aria-hidden="true">2.72.</strong> needs_allocator</a></li><li><a href="language-features/needs-panic-runtime.html"><strong aria-hidden="true">2.73.</strong> needs_panic_runtime</a></li><li><a href="language-features/never-type.html"><strong aria-hidden="true">2.74.</strong> never_type</a></li><li><a href="language-features/nll.html"><strong aria-hidden="true">2.75.</strong> nll</a></li><li><a href="language-features/no-core.html"><strong aria-hidden="true">2.76.</strong> no_core</a></li><li><a href="language-features/no-debug.html"><strong aria-hidden="true">2.77.</strong> no_debug</a></li><li><a href="language-features/non-ascii-idents.html"><strong aria-hidden="true">2.78.</strong> non_ascii_idents</a></li><li><a href="language-features/non-exhaustive.html"><strong aria-hidden="true">2.79.</strong> non_exhaustive</a></li><li><a href="language-features/non-modrs-mods.html"><strong aria-hidden="true">2.80.</strong> non_modrs_mods</a></li><li><a href="language-features/omit-gdb-pretty-printer-section.html"><strong aria-hidden="true">2.81.</strong> omit_gdb_pretty_printer_section</a></li><li><a href="language-features/on-unimplemented.html"><strong aria-hidden="true">2.82.</strong> on_unimplemented</a></li><li><a href="language-features/optin-builtin-traits.html"><strong aria-hidden="true">2.83.</strong> optin_builtin_traits</a></li><li><a href="language-features/overlapping-marker-traits.html"><strong aria-hidden="true">2.84.</strong> overlapping_marker_traits</a></li><li><a href="language-features/panic-implementation.html"><strong aria-hidden="true">2.85.</strong> panic_implementation</a></li><li><a href="language-features/panic-runtime.html"><strong aria-hidden="true">2.86.</strong> panic_runtime</a></li><li><a href="language-features/pattern-parentheses.html"><strong aria-hidden="true">2.87.</strong> pattern_parentheses</a></li><li><a href="language-features/platform-intrinsics.html"><strong aria-hidden="true">2.88.</strong> platform_intrinsics</a></li><li><a href="language-features/plugin.html"><strong aria-hidden="true">2.89.</strong> plugin</a></li><li><a href="language-features/plugin-registrar.html"><strong aria-hidden="true">2.90.</strong> plugin_registrar</a></li><li><a href="language-features/powerpc-target-feature.html"><strong aria-hidden="true">2.91.</strong> powerpc_target_feature</a></li><li><a href="language-features/prelude-import.html"><strong aria-hidden="true">2.92.</strong> prelude_import</a></li><li><a href="language-features/proc-macro.html"><strong aria-hidden="true">2.93.</strong> proc_macro</a></li><li><a href="language-features/proc-macro-expr.html"><strong aria-hidden="true">2.94.</strong> proc_macro_expr</a></li><li><a href="language-features/proc-macro-gen.html"><strong aria-hidden="true">2.95.</strong> proc_macro_gen</a></li><li><a href="language-features/proc-macro-mod.html"><strong aria-hidden="true">2.96.</strong> proc_macro_mod</a></li><li><a href="language-features/proc-macro-non-items.html"><strong aria-hidden="true">2.97.</strong> proc_macro_non_items</a></li><li><a href="language-features/proc-macro-path-invoc.html"><strong aria-hidden="true">2.98.</strong> proc_macro_path_invoc</a></li><li><a href="language-features/profiler-runtime.html"><strong aria-hidden="true">2.99.</strong> profiler_runtime</a></li><li><a href="language-features/quote.html"><strong aria-hidden="true">2.100.</strong> quote</a></li><li><a href="language-features/raw-identifiers.html"><strong aria-hidden="true">2.101.</strong> raw_identifiers</a></li><li><a href="language-features/repr-packed.html"><strong aria-hidden="true">2.102.</strong> repr_packed</a></li><li><a href="language-features/repr-simd.html"><strong aria-hidden="true">2.103.</strong> repr_simd</a></li><li><a href="language-features/repr128.html"><strong aria-hidden="true">2.104.</strong> repr128</a></li><li><a href="language-features/rustc-attrs.html"><strong aria-hidden="true">2.105.</strong> rustc_attrs</a></li><li><a href="language-features/rustc-const-unstable.html"><strong aria-hidden="true">2.106.</strong> rustc_const_unstable</a></li><li><a href="language-features/rustc-diagnostic-macros.html"><strong aria-hidden="true">2.107.</strong> rustc_diagnostic_macros</a></li><li><a href="language-features/sanitizer-runtime.html"><strong aria-hidden="true">2.108.</strong> sanitizer_runtime</a></li><li><a href="language-features/simd-ffi.html"><strong aria-hidden="true">2.109.</strong> simd_ffi</a></li><li><a href="language-features/slice-patterns.html"><strong aria-hidden="true">2.110.</strong> slice_patterns</a></li><li><a href="language-features/specialization.html"><strong aria-hidden="true">2.111.</strong> specialization</a></li><li><a href="language-features/sse4a-target-feature.html"><strong aria-hidden="true">2.112.</strong> sse4a_target_feature</a></li><li><a href="language-features/staged-api.html"><strong aria-hidden="true">2.113.</strong> staged_api</a></li><li><a href="language-features/start.html"><strong aria-hidden="true">2.114.</strong> start</a></li><li><a href="language-features/static-nobundle.html"><strong aria-hidden="true">2.115.</strong> static_nobundle</a></li><li><a href="language-features/stmt-expr-attributes.html"><strong aria-hidden="true">2.116.</strong> stmt_expr_attributes</a></li><li><a href="language-features/structural-match.html"><strong aria-hidden="true">2.117.</strong> structural_match</a></li><li><a href="language-features/tbm-target-feature.html"><strong aria-hidden="true">2.118.</strong> tbm_target_feature</a></li><li><a href="language-features/thread-local.html"><strong aria-hidden="true">2.119.</strong> thread_local</a></li><li><a href="language-features/tool-attributes.html"><strong aria-hidden="true">2.120.</strong> tool_attributes</a></li><li><a href="language-features/trace-macros.html"><strong aria-hidden="true">2.121.</strong> trace_macros</a></li><li><a href="language-features/trait-alias.html"><strong aria-hidden="true">2.122.</strong> trait_alias</a></li><li><a href="language-features/trivial-bounds.html"><strong aria-hidden="true">2.123.</strong> trivial_bounds</a></li><li><a href="language-features/type-ascription.html"><strong aria-hidden="true">2.124.</strong> type_ascription</a></li><li><a href="language-features/unboxed-closures.html"><strong aria-hidden="true">2.125.</strong> unboxed_closures</a></li><li><a href="language-features/underscore-imports.html"><strong aria-hidden="true">2.126.</strong> underscore_imports</a></li><li><a href="language-features/unsized-tuple-coercion.html"><strong aria-hidden="true">2.127.</strong> unsized_tuple_coercion</a></li><li><a href="language-features/untagged-unions.html"><strong aria-hidden="true">2.128.</strong> untagged_unions</a></li><li><a href="language-features/unwind-attributes.html"><strong aria-hidden="true">2.129.</strong> unwind_attributes</a></li><li><a href="language-features/use-extern-macros.html"><strong aria-hidden="true">2.130.</strong> use_extern_macros</a></li><li><a href="language-features/used.html"><strong aria-hidden="true">2.131.</strong> used</a></li><li><a href="language-features/wasm-custom-section.html"><strong aria-hidden="true">2.132.</strong> wasm_custom_section</a></li><li><a href="language-features/wasm-import-module.html"><strong aria-hidden="true">2.133.</strong> wasm_import_module</a></li></ol></li><li><a href="library-features.html"><strong aria-hidden="true">3.</strong> Library Features</a></li><li><ol class="section"><li><a href="library-features/align-offset.html"><strong aria-hidden="true">3.1.</strong> align_offset</a></li><li><a href="library-features/alloc.html"><strong aria-hidden="true">3.2.</strong> alloc</a></li><li><a href="library-features/alloc-error-hook.html"><strong aria-hidden="true">3.3.</strong> alloc_error_hook</a></li><li><a href="library-features/alloc-internals.html"><strong aria-hidden="true">3.4.</strong> alloc_internals</a></li><li><a href="library-features/alloc-jemalloc.html"><strong aria-hidden="true">3.5.</strong> alloc_jemalloc</a></li><li><a href="library-features/alloc-system.html"><strong aria-hidden="true">3.6.</strong> alloc_system</a></li><li><a href="library-features/allocator-api.html"><strong aria-hidden="true">3.7.</strong> allocator_api</a></li><li><a href="library-features/array-error-internals.html"><strong aria-hidden="true">3.8.</strong> array_error_internals</a></li><li><a href="library-features/ascii-ctype.html"><strong aria-hidden="true">3.9.</strong> ascii_ctype</a></li><li><a href="library-features/atomic-min-max.html"><strong aria-hidden="true">3.10.</strong> atomic_min_max</a></li><li><a href="library-features/box-into-raw-non-null.html"><strong aria-hidden="true">3.11.</strong> box_into_raw_non_null</a></li><li><a href="library-features/bufreader-buffer.html"><strong aria-hidden="true">3.12.</strong> bufreader_buffer</a></li><li><a href="library-features/bufreader-is-empty.html"><strong aria-hidden="true">3.13.</strong> bufreader_is_empty</a></li><li><a href="library-features/bufreader-seek-relative.html"><strong aria-hidden="true">3.14.</strong> bufreader_seek_relative</a></li><li><a href="library-features/c-void-variant.html"><strong aria-hidden="true">3.15.</strong> c_void_variant</a></li><li><a href="library-features/cell-update.html"><strong aria-hidden="true">3.16.</strong> cell_update</a></li><li><a href="library-features/char-error-internals.html"><strong aria-hidden="true">3.17.</strong> char_error_internals</a></li><li><a href="library-features/coerce-unsized.html"><strong aria-hidden="true">3.18.</strong> coerce_unsized</a></li><li><a href="library-features/compiler-builtins-lib.html"><strong aria-hidden="true">3.19.</strong> compiler_builtins_lib</a></li><li><a href="library-features/concat-idents-macro.html"><strong aria-hidden="true">3.20.</strong> concat_idents_macro</a></li><li><a href="library-features/const-int-ops.html"><strong aria-hidden="true">3.21.</strong> const_int_ops</a></li><li><a href="library-features/const-manually-drop-new.html"><strong aria-hidden="true">3.22.</strong> const_manually_drop_new</a></li><li><a href="library-features/const-slice-as-ptr.html"><strong aria-hidden="true">3.23.</strong> const_slice_as_ptr</a></li><li><a href="library-features/const-slice-len.html"><strong aria-hidden="true">3.24.</strong> const_slice_len</a></li><li><a href="library-features/const-str-as-bytes.html"><strong aria-hidden="true">3.25.</strong> const_str_as_bytes</a></li><li><a href="library-features/const-str-as-ptr.html"><strong aria-hidden="true">3.26.</strong> const_str_as_ptr</a></li><li><a href="library-features/const-str-len.html"><strong aria-hidden="true">3.27.</strong> const_str_len</a></li><li><a href="library-features/const-string-new.html"><strong aria-hidden="true">3.28.</strong> const_string_new</a></li><li><a href="library-features/const-type-id.html"><strong aria-hidden="true">3.29.</strong> const_type_id</a></li><li><a href="library-features/const-vec-new.html"><strong aria-hidden="true">3.30.</strong> const_vec_new</a></li><li><a href="library-features/core-intrinsics.html"><strong aria-hidden="true">3.31.</strong> core_intrinsics</a></li><li><a href="library-features/core-panic.html"><strong aria-hidden="true">3.32.</strong> core_panic</a></li><li><a href="library-features/core-panic-info.html"><strong aria-hidden="true">3.33.</strong> core_panic_info</a></li><li><a href="library-features/core-private-bignum.html"><strong aria-hidden="true">3.34.</strong> core_private_bignum</a></li><li><a href="library-features/core-private-diy-float.html"><strong aria-hidden="true">3.35.</strong> core_private_diy_float</a></li><li><a href="library-features/deadline-api.html"><strong aria-hidden="true">3.36.</strong> deadline_api</a></li><li><a href="library-features/dec2flt.html"><strong aria-hidden="true">3.37.</strong> dec2flt</a></li><li><a href="library-features/decode-utf8.html"><strong aria-hidden="true">3.38.</strong> decode_utf8</a></li><li><a href="library-features/derive-clone-copy.html"><strong aria-hidden="true">3.39.</strong> derive_clone_copy</a></li><li><a href="library-features/derive-eq.html"><strong aria-hidden="true">3.40.</strong> derive_eq</a></li><li><a href="library-features/drain-filter.html"><strong aria-hidden="true">3.41.</strong> drain_filter</a></li><li><a href="library-features/duration-as-u128.html"><strong aria-hidden="true">3.42.</strong> duration_as_u128</a></li><li><a href="library-features/duration-getters.html"><strong aria-hidden="true">3.43.</strong> duration_getters</a></li><li><a href="library-features/error-type-id.html"><strong aria-hidden="true">3.44.</strong> error_type_id</a></li><li><a href="library-features/euclidean-division.html"><strong aria-hidden="true">3.45.</strong> euclidean_division</a></li><li><a href="library-features/exact-chunks.html"><strong aria-hidden="true">3.46.</strong> exact_chunks</a></li><li><a href="library-features/exact-size-is-empty.html"><strong aria-hidden="true">3.47.</strong> exact_size_is_empty</a></li><li><a href="library-features/extra-log-consts.html"><strong aria-hidden="true">3.48.</strong> extra_log_consts</a></li><li><a href="library-features/fd.html"><strong aria-hidden="true">3.49.</strong> fd</a></li><li><a href="library-features/fd-read.html"><strong aria-hidden="true">3.50.</strong> fd_read</a></li><li><a href="library-features/fixed-size-array.html"><strong aria-hidden="true">3.51.</strong> fixed_size_array</a></li><li><a href="library-features/flt2dec.html"><strong aria-hidden="true">3.52.</strong> flt2dec</a></li><li><a href="library-features/fmt-internals.html"><strong aria-hidden="true">3.53.</strong> fmt_internals</a></li><li><a href="library-features/fn-traits.html"><strong aria-hidden="true">3.54.</strong> fn_traits</a></li><li><a href="library-features/fnbox.html"><strong aria-hidden="true">3.55.</strong> fnbox</a></li><li><a href="library-features/future-atomic-orderings.html"><strong aria-hidden="true">3.56.</strong> future_atomic_orderings</a></li><li><a href="library-features/futures-api.html"><strong aria-hidden="true">3.57.</strong> futures_api</a></li><li><a href="library-features/generator-trait.html"><strong aria-hidden="true">3.58.</strong> generator_trait</a></li><li><a href="library-features/get-type-id.html"><strong aria-hidden="true">3.59.</strong> get_type_id</a></li><li><a href="library-features/hashmap-internals.html"><strong aria-hidden="true">3.60.</strong> hashmap_internals</a></li><li><a href="library-features/int-error-internals.html"><strong aria-hidden="true">3.61.</strong> int_error_internals</a></li><li><a href="library-features/int-to-from-bytes.html" class="active"><strong aria-hidden="true">3.62.</strong> int_to_from_bytes</a></li><li><a href="library-features/integer-atomics.html"><strong aria-hidden="true">3.63.</strong> integer_atomics</a></li><li><a href="library-features/io.html"><strong aria-hidden="true">3.64.</strong> io</a></li><li><a href="library-features/io-error-internals.html"><strong aria-hidden="true">3.65.</strong> io_error_internals</a></li><li><a href="library-features/ip.html"><strong aria-hidden="true">3.66.</strong> ip</a></li><li><a href="library-features/ip-constructors.html"><strong aria-hidden="true">3.67.</strong> ip_constructors</a></li><li><a href="library-features/iterator-find-map.html"><strong aria-hidden="true">3.68.</strong> iterator_find_map</a></li><li><a href="library-features/iterator-flatten.html"><strong aria-hidden="true">3.69.</strong> iterator_flatten</a></li><li><a href="library-features/libstd-io-internals.html"><strong aria-hidden="true">3.70.</strong> libstd_io_internals</a></li><li><a href="library-features/libstd-sys-internals.html"><strong aria-hidden="true">3.71.</strong> libstd_sys_internals</a></li><li><a href="library-features/libstd-thread-internals.html"><strong aria-hidden="true">3.72.</strong> libstd_thread_internals</a></li><li><a href="library-features/linked-list-extras.html"><strong aria-hidden="true">3.73.</strong> linked_list_extras</a></li><li><a href="library-features/map-entry-replace.html"><strong aria-hidden="true">3.74.</strong> map_entry_replace</a></li><li><a href="library-features/map-get-key-value.html"><strong aria-hidden="true">3.75.</strong> map_get_key_value</a></li><li><a href="library-features/mpsc-select.html"><strong aria-hidden="true">3.76.</strong> mpsc_select</a></li><li><a href="library-features/n16.html"><strong aria-hidden="true">3.77.</strong> n16</a></li><li><a href="library-features/no-more-cas.html"><strong aria-hidden="true">3.78.</strong> no_more_cas</a></li><li><a href="library-features/no-panic-pow.html"><strong aria-hidden="true">3.79.</strong> no_panic_pow</a></li><li><a href="library-features/offset-to.html"><strong aria-hidden="true">3.80.</strong> offset_to</a></li><li><a href="library-features/once-poison.html"><strong aria-hidden="true">3.81.</strong> once_poison</a></li><li><a href="library-features/option-xor.html"><strong aria-hidden="true">3.82.</strong> option_xor</a></li><li><a href="library-features/panic-abort.html"><strong aria-hidden="true">3.83.</strong> panic_abort</a></li><li><a href="library-features/panic-info-message.html"><strong aria-hidden="true">3.84.</strong> panic_info_message</a></li><li><a href="library-features/panic-internals.html"><strong aria-hidden="true">3.85.</strong> panic_internals</a></li><li><a href="library-features/panic-unwind.html"><strong aria-hidden="true">3.86.</strong> panic_unwind</a></li><li><a href="library-features/pattern.html"><strong aria-hidden="true">3.87.</strong> pattern</a></li><li><a href="library-features/pin.html"><strong aria-hidden="true">3.88.</strong> pin</a></li><li><a href="library-features/print-internals.html"><strong aria-hidden="true">3.89.</strong> print_internals</a></li><li><a href="library-features/proc-macro-internals.html"><strong aria-hidden="true">3.90.</strong> proc_macro_internals</a></li><li><a href="library-features/process-exitcode-placeholder.html"><strong aria-hidden="true">3.91.</strong> process_exitcode_placeholder</a></li><li><a href="library-features/process-internals.html"><strong aria-hidden="true">3.92.</strong> process_internals</a></li><li><a href="library-features/profiler-runtime-lib.html"><strong aria-hidden="true">3.93.</strong> profiler_runtime_lib</a></li><li><a href="library-features/ptr-internals.html"><strong aria-hidden="true">3.94.</strong> ptr_internals</a></li><li><a href="library-features/ptr-offset-from.html"><strong aria-hidden="true">3.95.</strong> ptr_offset_from</a></li><li><a href="library-features/ptr-wrapping-offset-from.html"><strong aria-hidden="true">3.96.</strong> ptr_wrapping_offset_from</a></li><li><a href="library-features/range-contains.html"><strong aria-hidden="true">3.97.</strong> range_contains</a></li><li><a href="library-features/range-is-empty.html"><strong aria-hidden="true">3.98.</strong> range_is_empty</a></li><li><a href="library-features/raw.html"><strong aria-hidden="true">3.99.</strong> raw</a></li><li><a href="library-features/rc-downcast.html"><strong aria-hidden="true">3.100.</strong> rc_downcast</a></li><li><a href="library-features/read-initializer.html"><strong aria-hidden="true">3.101.</strong> read_initializer</a></li><li><a href="library-features/refcell-map-split.html"><strong aria-hidden="true">3.102.</strong> refcell_map_split</a></li><li><a href="library-features/refcell-replace-swap.html"><strong aria-hidden="true">3.103.</strong> refcell_replace_swap</a></li><li><a href="library-features/repeat-generic-slice.html"><strong aria-hidden="true">3.104.</strong> repeat_generic_slice</a></li><li><a href="library-features/reverse-bits.html"><strong aria-hidden="true">3.105.</strong> reverse_bits</a></li><li><a href="library-features/rt.html"><strong aria-hidden="true">3.106.</strong> rt</a></li><li><a href="library-features/rustc-private.html"><strong aria-hidden="true">3.107.</strong> rustc_private</a></li><li><a href="library-features/rustc-stack-internals.html"><strong aria-hidden="true">3.108.</strong> rustc_stack_internals</a></li><li><a href="library-features/sanitizer-runtime-lib.html"><strong aria-hidden="true">3.109.</strong> sanitizer_runtime_lib</a></li><li><a href="library-features/set-stdio.html"><strong aria-hidden="true">3.110.</strong> set_stdio</a></li><li><a href="library-features/shrink-to.html"><strong aria-hidden="true">3.111.</strong> shrink_to</a></li><li><a href="library-features/slice-align-to.html"><strong aria-hidden="true">3.112.</strong> slice_align_to</a></li><li><a href="library-features/slice-concat-ext.html"><strong aria-hidden="true">3.113.</strong> slice_concat_ext</a></li><li><a href="library-features/slice-index-methods.html"><strong aria-hidden="true">3.114.</strong> slice_index_methods</a></li><li><a href="library-features/slice-internals.html"><strong aria-hidden="true">3.115.</strong> slice_internals</a></li><li><a href="library-features/slice-sort-by-cached-key.html"><strong aria-hidden="true">3.116.</strong> slice_sort_by_cached_key</a></li><li><a href="library-features/sort-internals.html"><strong aria-hidden="true">3.117.</strong> sort_internals</a></li><li><a href="library-features/std-internals.html"><strong aria-hidden="true">3.118.</strong> std_internals</a></li><li><a href="library-features/stdsimd.html"><strong aria-hidden="true">3.119.</strong> stdsimd</a></li><li><a href="library-features/step-trait.html"><strong aria-hidden="true">3.120.</strong> step_trait</a></li><li><a href="library-features/str-escape.html"><strong aria-hidden="true">3.121.</strong> str_escape</a></li><li><a href="library-features/str-internals.html"><strong aria-hidden="true">3.122.</strong> str_internals</a></li><li><a href="library-features/termination-trait-lib.html"><strong aria-hidden="true">3.123.</strong> termination_trait_lib</a></li><li><a href="library-features/test.html"><strong aria-hidden="true">3.124.</strong> test</a></li><li><a href="library-features/thread-local-internals.html"><strong aria-hidden="true">3.125.</strong> thread_local_internals</a></li><li><a href="library-features/toowned-clone-into.html"><strong aria-hidden="true">3.126.</strong> toowned_clone_into</a></li><li><a href="library-features/transpose-result.html"><strong aria-hidden="true">3.127.</strong> transpose_result</a></li><li><a href="library-features/trusted-len.html"><strong aria-hidden="true">3.128.</strong> trusted_len</a></li><li><a href="library-features/try-from.html"><strong aria-hidden="true">3.129.</strong> try_from</a></li><li><a href="library-features/try-reserve.html"><strong aria-hidden="true">3.130.</strong> try_reserve</a></li><li><a href="library-features/try-trait.html"><strong aria-hidden="true">3.131.</strong> try_trait</a></li><li><a href="library-features/unicode.html"><strong aria-hidden="true">3.132.</strong> unicode</a></li><li><a href="library-features/unicode-internals.html"><strong aria-hidden="true">3.133.</strong> unicode_internals</a></li><li><a href="library-features/unicode-version.html"><strong aria-hidden="true">3.134.</strong> unicode_version</a></li><li><a href="library-features/unsize.html"><strong aria-hidden="true">3.135.</strong> unsize</a></li><li><a href="library-features/update-panic-count.html"><strong aria-hidden="true">3.136.</strong> update_panic_count</a></li><li><a href="library-features/vec-remove-item.html"><strong aria-hidden="true">3.137.</strong> vec_remove_item</a></li><li><a href="library-features/vec-resize-default.html"><strong aria-hidden="true">3.138.</strong> vec_resize_default</a></li><li><a href="library-features/vec-resize-with.html"><strong aria-hidden="true">3.139.</strong> vec_resize_with</a></li><li><a href="library-features/wait-timeout-until.html"><strong aria-hidden="true">3.140.</strong> wait_timeout_until</a></li><li><a href="library-features/wait-until.html"><strong aria-hidden="true">3.141.</strong> wait_until</a></li><li><a href="library-features/windows-c.html"><strong aria-hidden="true">3.142.</strong> windows_c</a></li><li><a href="library-features/windows-file-type-ext.html"><strong aria-hidden="true">3.143.</strong> windows_file_type_ext</a></li><li><a href="library-features/windows-handle.html"><strong aria-hidden="true">3.144.</strong> windows_handle</a></li><li><a href="library-features/windows-net.html"><strong aria-hidden="true">3.145.</strong> windows_net</a></li><li><a href="library-features/windows-stdio.html"><strong aria-hidden="true">3.146.</strong> windows_stdio</a></li><li><a href="library-features/wrapping-int-impl.html"><strong aria-hidden="true">3.147.</strong> wrapping_int_impl</a></li><li><a href="library-features/wrapping-next-power-of-two.html"><strong aria-hidden="true">3.148.</strong> wrapping_next_power_of_two</a></li></ol></li></ol>
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<a class="header" href="library-features/int-to-from-bytes.html#int_to_from_bytes" id="int_to_from_bytes"><h1><code>int_to_from_bytes</code></h1></a>
<p>The tracking issue for this feature is: <a href="https://github.com/rust-lang/rust/issues/49792">#49792</a></p>
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