1#![cfg_attr(not(restricted_std), stable(feature = "rust1", since = "1.0.0"))]
220#![cfg_attr(
221 restricted_std,
222 unstable(
223 feature = "restricted_std",
224 issue = "none",
225 reason = "You have attempted to use a standard library built for a platform that it doesn't \
226 know how to support. Consider building it for a known environment, disabling it with \
227 `#![no_std]` or overriding this warning by enabling this feature."
228 )
229)]
230#![rustc_preserve_ub_checks]
231#![doc(
232 html_playground_url = "https://play.rust-lang.org/",
233 issue_tracker_base_url = "https://github.com/rust-lang/rust/issues/",
234 test(no_crate_inject, attr(deny(warnings))),
235 test(attr(allow(dead_code, deprecated, unused_variables, unused_mut)))
236)]
237#![doc(rust_logo)]
238#![doc(cfg_hide(not(test), no_global_oom_handling, not(no_global_oom_handling)))]
239#![no_std]
241#![needs_panic_runtime]
243#![warn(deprecated_in_future)]
246#![warn(missing_docs)]
247#![warn(missing_debug_implementations)]
248#![allow(explicit_outlives_requirements)]
249#![allow(unused_lifetimes)]
250#![allow(internal_features)]
251#![deny(fuzzy_provenance_casts)]
252#![deny(unsafe_op_in_unsafe_fn)]
253#![allow(rustdoc::redundant_explicit_links)]
254#![warn(rustdoc::unescaped_backticks)]
255#![deny(ffi_unwind_calls)]
257#![allow(unused_features)]
259#![cfg_attr(test, feature(internal_output_capture, print_internals, update_panic_count, rt))]
262#![cfg_attr(
263 all(target_vendor = "fortanix", target_env = "sgx"),
264 feature(slice_index_methods, coerce_unsized, sgx_platform)
265)]
266#![cfg_attr(any(windows, target_os = "uefi"), feature(round_char_boundary))]
267#![cfg_attr(target_family = "wasm", feature(stdarch_wasm_atomic_wait))]
268#![cfg_attr(target_arch = "wasm64", feature(simd_wasm64))]
269#![feature(alloc_error_handler)]
275#![feature(allocator_internals)]
276#![feature(allow_internal_unsafe)]
277#![feature(allow_internal_unstable)]
278#![feature(asm_experimental_arch)]
279#![feature(autodiff)]
280#![feature(cfg_sanitizer_cfi)]
281#![feature(cfg_target_thread_local)]
282#![feature(cfi_encoding)]
283#![feature(char_max_len)]
284#![feature(const_trait_impl)]
285#![feature(core_float_math)]
286#![feature(decl_macro)]
287#![feature(deprecated_suggestion)]
288#![feature(derive_const)]
289#![feature(doc_cfg)]
290#![feature(doc_cfg_hide)]
291#![feature(doc_masked)]
292#![feature(doc_notable_trait)]
293#![feature(dropck_eyepatch)]
294#![feature(extended_varargs_abi_support)]
295#![feature(f16)]
296#![feature(f128)]
297#![feature(ffi_const)]
298#![feature(formatting_options)]
299#![feature(hash_map_internals)]
300#![feature(hash_map_macro)]
301#![feature(if_let_guard)]
302#![feature(intra_doc_pointers)]
303#![feature(iter_advance_by)]
304#![feature(iter_next_chunk)]
305#![feature(lang_items)]
306#![feature(link_cfg)]
307#![feature(linkage)]
308#![feature(macro_metavar_expr_concat)]
309#![feature(maybe_uninit_fill)]
310#![feature(min_specialization)]
311#![feature(must_not_suspend)]
312#![feature(needs_panic_runtime)]
313#![feature(negative_impls)]
314#![feature(never_type)]
315#![feature(optimize_attribute)]
316#![feature(prelude_import)]
317#![feature(rustc_attrs)]
318#![feature(rustdoc_internals)]
319#![feature(staged_api)]
320#![feature(stmt_expr_attributes)]
321#![feature(strict_provenance_lints)]
322#![feature(thread_local)]
323#![feature(try_blocks)]
324#![feature(try_trait_v2)]
325#![feature(type_alias_impl_trait)]
326#![feature(bstr)]
331#![feature(bstr_internals)]
332#![feature(cast_maybe_uninit)]
333#![feature(cfg_select)]
334#![feature(char_internals)]
335#![feature(clone_to_uninit)]
336#![feature(const_cmp)]
337#![feature(const_ops)]
338#![feature(const_option_ops)]
339#![feature(const_try)]
340#![feature(core_intrinsics)]
341#![feature(core_io_borrowed_buf)]
342#![feature(drop_guard)]
343#![feature(duration_constants)]
344#![feature(error_generic_member_access)]
345#![feature(error_iter)]
346#![feature(exact_size_is_empty)]
347#![feature(exclusive_wrapper)]
348#![feature(extend_one)]
349#![feature(float_algebraic)]
350#![feature(float_gamma)]
351#![feature(float_minimum_maximum)]
352#![feature(fmt_internals)]
353#![feature(generic_atomic)]
354#![feature(hasher_prefixfree_extras)]
355#![feature(hashmap_internals)]
356#![feature(hint_must_use)]
357#![feature(ip)]
358#![feature(lazy_get)]
359#![feature(maybe_uninit_slice)]
360#![feature(maybe_uninit_write_slice)]
361#![feature(panic_can_unwind)]
362#![feature(panic_internals)]
363#![feature(pin_coerce_unsized_trait)]
364#![feature(pointer_is_aligned_to)]
365#![feature(portable_simd)]
366#![feature(ptr_as_uninit)]
367#![feature(ptr_mask)]
368#![feature(random)]
369#![feature(slice_internals)]
370#![feature(slice_ptr_get)]
371#![feature(slice_range)]
372#![feature(std_internals)]
373#![feature(str_internals)]
374#![feature(strict_provenance_atomic_ptr)]
375#![feature(sync_unsafe_cell)]
376#![feature(temporary_niche_types)]
377#![feature(ub_checks)]
378#![feature(used_with_arg)]
379#![feature(alloc_layout_extra)]
384#![feature(allocator_api)]
385#![feature(get_mut_unchecked)]
386#![feature(map_try_insert)]
387#![feature(new_zeroed_alloc)]
388#![feature(slice_concat_trait)]
389#![feature(thin_box)]
390#![feature(try_reserve_kind)]
391#![feature(try_with_capacity)]
392#![feature(unique_rc_arc)]
393#![feature(vec_into_raw_parts)]
394#![feature(panic_unwind)]
399#![feature(stdarch_internal)]
404#![feature(assert_matches)]
409#![feature(async_iterator)]
410#![feature(c_variadic)]
411#![feature(cfg_accessible)]
412#![feature(cfg_eval)]
413#![feature(concat_bytes)]
414#![feature(const_format_args)]
415#![feature(custom_test_frameworks)]
416#![feature(edition_panic)]
417#![feature(format_args_nl)]
418#![feature(log_syntax)]
419#![feature(test)]
420#![feature(trace_macros)]
421#![feature(io_const_error)]
428#![feature(coverage_attribute)]
432#![default_lib_allocator]
434
435pub mod prelude;
438
439#[prelude_import]
442#[allow(unused)]
443use prelude::rust_2024::*;
444
445#[cfg(test)]
447extern crate test;
448
449#[allow(unused_imports)] #[macro_use]
451extern crate alloc as alloc_crate;
452
453#[doc(masked)]
456#[allow(unused_extern_crates)]
457#[cfg(not(all(windows, target_env = "msvc")))]
458extern crate libc;
459
460#[doc(masked)]
462#[allow(unused_extern_crates)]
463extern crate unwind;
464
465#[doc(masked)]
469#[allow(unused_extern_crates)]
470#[cfg(all(
471 not(all(windows, target_env = "msvc", not(target_vendor = "uwp"))),
472 feature = "miniz_oxide"
473))]
474extern crate miniz_oxide;
475
476#[cfg(test)]
483extern crate std as realstd;
484
485#[macro_use]
487mod macros;
488
489#[macro_use]
492pub mod rt;
493
494#[stable(feature = "rust1", since = "1.0.0")]
495pub use core::any;
496#[stable(feature = "core_array", since = "1.35.0")]
497pub use core::array;
498#[unstable(feature = "async_iterator", issue = "79024")]
499pub use core::async_iter;
500#[stable(feature = "rust1", since = "1.0.0")]
501pub use core::cell;
502#[stable(feature = "rust1", since = "1.0.0")]
503pub use core::char;
504#[stable(feature = "rust1", since = "1.0.0")]
505pub use core::clone;
506#[stable(feature = "rust1", since = "1.0.0")]
507pub use core::cmp;
508#[stable(feature = "rust1", since = "1.0.0")]
509pub use core::convert;
510#[stable(feature = "rust1", since = "1.0.0")]
511pub use core::default;
512#[stable(feature = "futures_api", since = "1.36.0")]
513pub use core::future;
514#[stable(feature = "core_hint", since = "1.27.0")]
515pub use core::hint;
516#[stable(feature = "rust1", since = "1.0.0")]
517#[allow(deprecated, deprecated_in_future)]
518pub use core::i8;
519#[stable(feature = "rust1", since = "1.0.0")]
520#[allow(deprecated, deprecated_in_future)]
521pub use core::i16;
522#[stable(feature = "rust1", since = "1.0.0")]
523#[allow(deprecated, deprecated_in_future)]
524pub use core::i32;
525#[stable(feature = "rust1", since = "1.0.0")]
526#[allow(deprecated, deprecated_in_future)]
527pub use core::i64;
528#[stable(feature = "i128", since = "1.26.0")]
529#[allow(deprecated, deprecated_in_future)]
530pub use core::i128;
531#[stable(feature = "rust1", since = "1.0.0")]
532pub use core::intrinsics;
533#[stable(feature = "rust1", since = "1.0.0")]
534#[allow(deprecated, deprecated_in_future)]
535pub use core::isize;
536#[stable(feature = "rust1", since = "1.0.0")]
537pub use core::iter;
538#[stable(feature = "rust1", since = "1.0.0")]
539pub use core::marker;
540#[stable(feature = "rust1", since = "1.0.0")]
541pub use core::mem;
542#[stable(feature = "rust1", since = "1.0.0")]
543pub use core::ops;
544#[stable(feature = "rust1", since = "1.0.0")]
545pub use core::option;
546#[stable(feature = "pin", since = "1.33.0")]
547pub use core::pin;
548#[stable(feature = "rust1", since = "1.0.0")]
549pub use core::ptr;
550#[unstable(feature = "new_range_api", issue = "125687")]
551pub use core::range;
552#[stable(feature = "rust1", since = "1.0.0")]
553pub use core::result;
554#[stable(feature = "rust1", since = "1.0.0")]
555#[allow(deprecated, deprecated_in_future)]
556pub use core::u8;
557#[stable(feature = "rust1", since = "1.0.0")]
558#[allow(deprecated, deprecated_in_future)]
559pub use core::u16;
560#[stable(feature = "rust1", since = "1.0.0")]
561#[allow(deprecated, deprecated_in_future)]
562pub use core::u32;
563#[stable(feature = "rust1", since = "1.0.0")]
564#[allow(deprecated, deprecated_in_future)]
565pub use core::u64;
566#[stable(feature = "i128", since = "1.26.0")]
567#[allow(deprecated, deprecated_in_future)]
568pub use core::u128;
569#[unstable(feature = "unsafe_binders", issue = "130516")]
570pub use core::unsafe_binder;
571#[stable(feature = "rust1", since = "1.0.0")]
572#[allow(deprecated, deprecated_in_future)]
573pub use core::usize;
574
575#[stable(feature = "rust1", since = "1.0.0")]
576pub use alloc_crate::borrow;
577#[stable(feature = "rust1", since = "1.0.0")]
578pub use alloc_crate::boxed;
579#[stable(feature = "rust1", since = "1.0.0")]
580pub use alloc_crate::fmt;
581#[stable(feature = "rust1", since = "1.0.0")]
582pub use alloc_crate::format;
583#[stable(feature = "rust1", since = "1.0.0")]
584pub use alloc_crate::rc;
585#[stable(feature = "rust1", since = "1.0.0")]
586pub use alloc_crate::slice;
587#[stable(feature = "rust1", since = "1.0.0")]
588pub use alloc_crate::str;
589#[stable(feature = "rust1", since = "1.0.0")]
590pub use alloc_crate::string;
591#[stable(feature = "rust1", since = "1.0.0")]
592pub use alloc_crate::vec;
593
594#[path = "num/f128.rs"]
595pub mod f128;
596#[path = "num/f16.rs"]
597pub mod f16;
598#[path = "num/f32.rs"]
599pub mod f32;
600#[path = "num/f64.rs"]
601pub mod f64;
602
603#[macro_use]
604pub mod thread;
605pub mod ascii;
606pub mod backtrace;
607#[unstable(feature = "bstr", issue = "134915")]
608pub mod bstr;
609pub mod collections;
610pub mod env;
611pub mod error;
612pub mod ffi;
613pub mod fs;
614pub mod hash;
615pub mod io;
616pub mod net;
617pub mod num;
618pub mod os;
619pub mod panic;
620#[unstable(feature = "pattern_type_macro", issue = "123646")]
621pub mod pat;
622pub mod path;
623pub mod process;
624#[unstable(feature = "random", issue = "130703")]
625pub mod random;
626pub mod sync;
627pub mod time;
628
629#[path = "../../portable-simd/crates/std_float/src/lib.rs"]
632#[allow(missing_debug_implementations, dead_code, unsafe_op_in_unsafe_fn)]
633#[allow(rustdoc::bare_urls)]
634#[unstable(feature = "portable_simd", issue = "86656")]
635mod std_float;
636
637#[unstable(feature = "portable_simd", issue = "86656")]
638pub mod simd {
639 #![doc = include_str!("../../portable-simd/crates/core_simd/src/core_simd_docs.md")]
640
641 #[doc(inline)]
642 pub use core::simd::*;
643
644 #[doc(inline)]
645 pub use crate::std_float::StdFloat;
646}
647
648#[unstable(feature = "autodiff", issue = "124509")]
649pub mod autodiff {
651 pub use core::autodiff::{autodiff_forward, autodiff_reverse};
653}
654
655#[stable(feature = "futures_api", since = "1.36.0")]
656pub mod task {
657 #[doc(inline)]
660 #[stable(feature = "wake_trait", since = "1.51.0")]
661 pub use alloc::task::*;
662 #[doc(inline)]
663 #[stable(feature = "futures_api", since = "1.36.0")]
664 pub use core::task::*;
665}
666
667#[doc = include_str!("../../stdarch/crates/core_arch/src/core_arch_docs.md")]
668#[stable(feature = "simd_arch", since = "1.27.0")]
669pub mod arch {
670 #[stable(feature = "simd_arch", since = "1.27.0")]
671 #[doc(no_inline)] pub use core::arch::*;
677
678 #[stable(feature = "simd_aarch64", since = "1.60.0")]
679 pub use std_detect::is_aarch64_feature_detected;
680 #[unstable(feature = "stdarch_arm_feature_detection", issue = "111190")]
681 pub use std_detect::is_arm_feature_detected;
682 #[unstable(feature = "is_loongarch_feature_detected", issue = "117425")]
683 pub use std_detect::is_loongarch_feature_detected;
684 #[unstable(feature = "is_riscv_feature_detected", issue = "111192")]
685 pub use std_detect::is_riscv_feature_detected;
686 #[unstable(feature = "stdarch_s390x_feature_detection", issue = "135413")]
687 pub use std_detect::is_s390x_feature_detected;
688 #[stable(feature = "simd_x86", since = "1.27.0")]
689 pub use std_detect::is_x86_feature_detected;
690 #[unstable(feature = "stdarch_mips_feature_detection", issue = "111188")]
691 pub use std_detect::{is_mips_feature_detected, is_mips64_feature_detected};
692 #[unstable(feature = "stdarch_powerpc_feature_detection", issue = "111191")]
693 pub use std_detect::{is_powerpc_feature_detected, is_powerpc64_feature_detected};
694}
695
696#[stable(feature = "simd_x86", since = "1.27.0")]
698pub use std_detect::is_x86_feature_detected;
699
700mod sys;
702mod sys_common;
703
704pub mod alloc;
705
706mod panicking;
708
709#[path = "../../../ferrocene/library/backtrace-rs/src/lib.rs"]
710#[allow(dead_code, unused_attributes, fuzzy_provenance_casts, unsafe_op_in_unsafe_fn)]
711mod backtrace_rs;
712
713#[unstable(feature = "cfg_select", issue = "115585")]
714pub use core::cfg_select;
715#[unstable(
716 feature = "concat_bytes",
717 issue = "87555",
718 reason = "`concat_bytes` is not stable enough for use and is subject to change"
719)]
720pub use core::concat_bytes;
721#[stable(feature = "matches_macro", since = "1.42.0")]
722#[allow(deprecated, deprecated_in_future)]
723pub use core::matches;
724#[stable(feature = "core_primitive", since = "1.43.0")]
725pub use core::primitive;
726#[stable(feature = "todo_macro", since = "1.40.0")]
727#[allow(deprecated, deprecated_in_future)]
728pub use core::todo;
729#[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
731pub use core::{
732 assert, assert_matches, cfg, column, compile_error, concat, const_format_args, env, file,
733 format_args, format_args_nl, include, include_bytes, include_str, line, log_syntax,
734 module_path, option_env, stringify, trace_macros,
735};
736#[stable(feature = "rust1", since = "1.0.0")]
738#[allow(deprecated, deprecated_in_future)]
739pub use core::{
740 assert_eq, assert_ne, debug_assert, debug_assert_eq, debug_assert_ne, r#try, unimplemented,
741 unreachable, write, writeln,
742};
743
744#[unstable(feature = "derive_from", issue = "144889")]
746pub mod from {
748 #[unstable(feature = "derive_from", issue = "144889")]
749 pub use core::from::From;
750}
751
752include!("../../core/src/primitive_docs.rs");
756
757include!("keyword_docs.rs");
761
762#[unstable(feature = "restricted_std", issue = "none")]
766mod __restricted_std_workaround {}
767
768mod sealed {
769 #[unstable(feature = "sealed", issue = "none")]
773 pub trait Sealed {}
774}
775
776#[cfg(test)]
777#[allow(dead_code)] pub(crate) mod test_helpers;