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(wtf8_internals)]
395#![feature(panic_unwind)]
400#![feature(stdarch_internal)]
405#![feature(assert_matches)]
410#![feature(async_iterator)]
411#![feature(c_variadic)]
412#![feature(cfg_accessible)]
413#![feature(cfg_eval)]
414#![feature(concat_bytes)]
415#![feature(const_format_args)]
416#![feature(custom_test_frameworks)]
417#![feature(edition_panic)]
418#![feature(format_args_nl)]
419#![feature(log_syntax)]
420#![feature(test)]
421#![feature(trace_macros)]
422#![feature(io_const_error)]
429#![default_lib_allocator]
432
433pub mod prelude;
436
437#[prelude_import]
440#[allow(unused)]
441use prelude::rust_2024::*;
442
443#[cfg(test)]
445extern crate test;
446
447#[allow(unused_imports)] #[macro_use]
449extern crate alloc as alloc_crate;
450
451#[doc(masked)]
454#[allow(unused_extern_crates)]
455#[cfg(not(all(windows, target_env = "msvc")))]
456extern crate libc;
457
458#[doc(masked)]
460#[allow(unused_extern_crates)]
461extern crate unwind;
462
463#[doc(masked)]
467#[allow(unused_extern_crates)]
468#[cfg(all(
469 not(all(windows, target_env = "msvc", not(target_vendor = "uwp"))),
470 feature = "miniz_oxide"
471))]
472extern crate miniz_oxide;
473
474#[cfg(test)]
481extern crate std as realstd;
482
483#[macro_use]
485mod macros;
486
487#[macro_use]
490pub mod rt;
491
492#[stable(feature = "rust1", since = "1.0.0")]
493pub use core::any;
494#[stable(feature = "core_array", since = "1.35.0")]
495pub use core::array;
496#[unstable(feature = "async_iterator", issue = "79024")]
497pub use core::async_iter;
498#[stable(feature = "rust1", since = "1.0.0")]
499pub use core::cell;
500#[stable(feature = "rust1", since = "1.0.0")]
501pub use core::char;
502#[stable(feature = "rust1", since = "1.0.0")]
503pub use core::clone;
504#[stable(feature = "rust1", since = "1.0.0")]
505pub use core::cmp;
506#[stable(feature = "rust1", since = "1.0.0")]
507pub use core::convert;
508#[stable(feature = "rust1", since = "1.0.0")]
509pub use core::default;
510#[stable(feature = "futures_api", since = "1.36.0")]
511pub use core::future;
512#[stable(feature = "core_hint", since = "1.27.0")]
513pub use core::hint;
514#[stable(feature = "rust1", since = "1.0.0")]
515#[allow(deprecated, deprecated_in_future)]
516pub use core::i8;
517#[stable(feature = "rust1", since = "1.0.0")]
518#[allow(deprecated, deprecated_in_future)]
519pub use core::i16;
520#[stable(feature = "rust1", since = "1.0.0")]
521#[allow(deprecated, deprecated_in_future)]
522pub use core::i32;
523#[stable(feature = "rust1", since = "1.0.0")]
524#[allow(deprecated, deprecated_in_future)]
525pub use core::i64;
526#[stable(feature = "i128", since = "1.26.0")]
527#[allow(deprecated, deprecated_in_future)]
528pub use core::i128;
529#[stable(feature = "rust1", since = "1.0.0")]
530pub use core::intrinsics;
531#[stable(feature = "rust1", since = "1.0.0")]
532#[allow(deprecated, deprecated_in_future)]
533pub use core::isize;
534#[stable(feature = "rust1", since = "1.0.0")]
535pub use core::iter;
536#[stable(feature = "rust1", since = "1.0.0")]
537pub use core::marker;
538#[stable(feature = "rust1", since = "1.0.0")]
539pub use core::mem;
540#[stable(feature = "rust1", since = "1.0.0")]
541pub use core::ops;
542#[stable(feature = "rust1", since = "1.0.0")]
543pub use core::option;
544#[stable(feature = "pin", since = "1.33.0")]
545pub use core::pin;
546#[stable(feature = "rust1", since = "1.0.0")]
547pub use core::ptr;
548#[unstable(feature = "new_range_api", issue = "125687")]
549pub use core::range;
550#[stable(feature = "rust1", since = "1.0.0")]
551pub use core::result;
552#[stable(feature = "rust1", since = "1.0.0")]
553#[allow(deprecated, deprecated_in_future)]
554pub use core::u8;
555#[stable(feature = "rust1", since = "1.0.0")]
556#[allow(deprecated, deprecated_in_future)]
557pub use core::u16;
558#[stable(feature = "rust1", since = "1.0.0")]
559#[allow(deprecated, deprecated_in_future)]
560pub use core::u32;
561#[stable(feature = "rust1", since = "1.0.0")]
562#[allow(deprecated, deprecated_in_future)]
563pub use core::u64;
564#[stable(feature = "i128", since = "1.26.0")]
565#[allow(deprecated, deprecated_in_future)]
566pub use core::u128;
567#[unstable(feature = "unsafe_binders", issue = "130516")]
568pub use core::unsafe_binder;
569#[stable(feature = "rust1", since = "1.0.0")]
570#[allow(deprecated, deprecated_in_future)]
571pub use core::usize;
572
573#[stable(feature = "rust1", since = "1.0.0")]
574pub use alloc_crate::borrow;
575#[stable(feature = "rust1", since = "1.0.0")]
576pub use alloc_crate::boxed;
577#[stable(feature = "rust1", since = "1.0.0")]
578pub use alloc_crate::fmt;
579#[stable(feature = "rust1", since = "1.0.0")]
580pub use alloc_crate::format;
581#[stable(feature = "rust1", since = "1.0.0")]
582pub use alloc_crate::rc;
583#[stable(feature = "rust1", since = "1.0.0")]
584pub use alloc_crate::slice;
585#[stable(feature = "rust1", since = "1.0.0")]
586pub use alloc_crate::str;
587#[stable(feature = "rust1", since = "1.0.0")]
588pub use alloc_crate::string;
589#[stable(feature = "rust1", since = "1.0.0")]
590pub use alloc_crate::vec;
591
592#[path = "num/f128.rs"]
593pub mod f128;
594#[path = "num/f16.rs"]
595pub mod f16;
596#[path = "num/f32.rs"]
597pub mod f32;
598#[path = "num/f64.rs"]
599pub mod f64;
600
601#[macro_use]
602pub mod thread;
603pub mod ascii;
604pub mod backtrace;
605#[unstable(feature = "bstr", issue = "134915")]
606pub mod bstr;
607pub mod collections;
608pub mod env;
609pub mod error;
610pub mod ffi;
611pub mod fs;
612pub mod hash;
613pub mod io;
614pub mod net;
615pub mod num;
616pub mod os;
617pub mod panic;
618#[unstable(feature = "pattern_type_macro", issue = "123646")]
619pub mod pat;
620pub mod path;
621pub mod process;
622#[unstable(feature = "random", issue = "130703")]
623pub mod random;
624pub mod sync;
625pub mod time;
626
627#[path = "../../portable-simd/crates/std_float/src/lib.rs"]
630#[allow(missing_debug_implementations, dead_code, unsafe_op_in_unsafe_fn)]
631#[allow(rustdoc::bare_urls)]
632#[unstable(feature = "portable_simd", issue = "86656")]
633mod std_float;
634
635#[unstable(feature = "portable_simd", issue = "86656")]
636pub mod simd {
637 #![doc = include_str!("../../portable-simd/crates/core_simd/src/core_simd_docs.md")]
638
639 #[doc(inline)]
640 pub use core::simd::*;
641
642 #[doc(inline)]
643 pub use crate::std_float::StdFloat;
644}
645
646#[unstable(feature = "autodiff", issue = "124509")]
647pub mod autodiff {
649 pub use core::autodiff::{autodiff_forward, autodiff_reverse};
651}
652
653#[stable(feature = "futures_api", since = "1.36.0")]
654pub mod task {
655 #[doc(inline)]
658 #[stable(feature = "wake_trait", since = "1.51.0")]
659 pub use alloc::task::*;
660 #[doc(inline)]
661 #[stable(feature = "futures_api", since = "1.36.0")]
662 pub use core::task::*;
663}
664
665#[doc = include_str!("../../stdarch/crates/core_arch/src/core_arch_docs.md")]
666#[stable(feature = "simd_arch", since = "1.27.0")]
667pub mod arch {
668 #[stable(feature = "simd_arch", since = "1.27.0")]
669 #[doc(no_inline)] pub use core::arch::*;
675
676 #[stable(feature = "simd_aarch64", since = "1.60.0")]
677 pub use std_detect::is_aarch64_feature_detected;
678 #[unstable(feature = "stdarch_arm_feature_detection", issue = "111190")]
679 pub use std_detect::is_arm_feature_detected;
680 #[unstable(feature = "is_loongarch_feature_detected", issue = "117425")]
681 pub use std_detect::is_loongarch_feature_detected;
682 #[unstable(feature = "is_riscv_feature_detected", issue = "111192")]
683 pub use std_detect::is_riscv_feature_detected;
684 #[unstable(feature = "stdarch_s390x_feature_detection", issue = "135413")]
685 pub use std_detect::is_s390x_feature_detected;
686 #[stable(feature = "simd_x86", since = "1.27.0")]
687 pub use std_detect::is_x86_feature_detected;
688 #[unstable(feature = "stdarch_mips_feature_detection", issue = "111188")]
689 pub use std_detect::{is_mips_feature_detected, is_mips64_feature_detected};
690 #[unstable(feature = "stdarch_powerpc_feature_detection", issue = "111191")]
691 pub use std_detect::{is_powerpc_feature_detected, is_powerpc64_feature_detected};
692}
693
694#[stable(feature = "simd_x86", since = "1.27.0")]
696pub use std_detect::is_x86_feature_detected;
697
698mod sys;
700mod sys_common;
701
702pub mod alloc;
703
704mod panicking;
706
707#[path = "../../backtrace/src/lib.rs"]
708#[allow(dead_code, unused_attributes, fuzzy_provenance_casts, unsafe_op_in_unsafe_fn)]
709mod backtrace_rs;
710
711#[unstable(feature = "cfg_select", issue = "115585")]
712pub use core::cfg_select;
713#[unstable(
714 feature = "concat_bytes",
715 issue = "87555",
716 reason = "`concat_bytes` is not stable enough for use and is subject to change"
717)]
718pub use core::concat_bytes;
719#[stable(feature = "matches_macro", since = "1.42.0")]
720#[allow(deprecated, deprecated_in_future)]
721pub use core::matches;
722#[stable(feature = "core_primitive", since = "1.43.0")]
723pub use core::primitive;
724#[stable(feature = "todo_macro", since = "1.40.0")]
725#[allow(deprecated, deprecated_in_future)]
726pub use core::todo;
727#[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
729pub use core::{
730 assert, assert_matches, cfg, column, compile_error, concat, const_format_args, env, file,
731 format_args, format_args_nl, include, include_bytes, include_str, line, log_syntax,
732 module_path, option_env, stringify, trace_macros,
733};
734#[stable(feature = "rust1", since = "1.0.0")]
736#[allow(deprecated, deprecated_in_future)]
737pub use core::{
738 assert_eq, assert_ne, debug_assert, debug_assert_eq, debug_assert_ne, r#try, unimplemented,
739 unreachable, write, writeln,
740};
741
742#[unstable(feature = "derive_from", issue = "144889")]
744pub mod from {
746 #[unstable(feature = "derive_from", issue = "144889")]
747 pub use core::from::From;
748}
749
750include!("../../core/src/primitive_docs.rs");
754
755include!("keyword_docs.rs");
759
760#[unstable(feature = "restricted_std", issue = "none")]
764mod __restricted_std_workaround {}
765
766mod sealed {
767 #[unstable(feature = "sealed", issue = "none")]
771 pub trait Sealed {}
772}
773
774#[cfg(test)]
775#[allow(dead_code)] pub(crate) mod test_helpers;