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(concat_idents)]
285#![feature(core_float_math)]
286#![feature(decl_macro)]
287#![feature(deprecated_suggestion)]
288#![feature(doc_cfg)]
289#![feature(doc_cfg_hide)]
290#![feature(doc_masked)]
291#![feature(doc_notable_trait)]
292#![feature(dropck_eyepatch)]
293#![feature(extended_varargs_abi_support)]
294#![feature(f128)]
295#![feature(f16)]
296#![feature(ffi_const)]
297#![feature(formatting_options)]
298#![feature(if_let_guard)]
299#![feature(intra_doc_pointers)]
300#![feature(iter_advance_by)]
301#![feature(iter_next_chunk)]
302#![feature(lang_items)]
303#![feature(link_cfg)]
304#![feature(linkage)]
305#![feature(macro_metavar_expr_concat)]
306#![feature(maybe_uninit_fill)]
307#![feature(min_specialization)]
308#![feature(must_not_suspend)]
309#![feature(needs_panic_runtime)]
310#![feature(negative_impls)]
311#![feature(never_type)]
312#![feature(optimize_attribute)]
313#![feature(prelude_import)]
314#![feature(rustc_attrs)]
315#![feature(rustdoc_internals)]
316#![feature(staged_api)]
317#![feature(stmt_expr_attributes)]
318#![feature(strict_provenance_lints)]
319#![feature(thread_local)]
320#![feature(try_blocks)]
321#![feature(try_trait_v2)]
322#![feature(type_alias_impl_trait)]
323#![feature(unsigned_signed_diff)]
324#![feature(array_chunks)]
329#![feature(bstr)]
330#![feature(bstr_internals)]
331#![feature(char_internals)]
332#![feature(clone_to_uninit)]
333#![feature(const_float_round_methods)]
334#![feature(core_intrinsics)]
335#![feature(core_io_borrowed_buf)]
336#![feature(duration_constants)]
337#![feature(error_generic_member_access)]
338#![feature(error_iter)]
339#![feature(exact_size_is_empty)]
340#![feature(exclusive_wrapper)]
341#![feature(extend_one)]
342#![feature(float_algebraic)]
343#![feature(float_gamma)]
344#![feature(float_minimum_maximum)]
345#![feature(fmt_internals)]
346#![feature(generic_atomic)]
347#![feature(hasher_prefixfree_extras)]
348#![feature(hashmap_internals)]
349#![feature(hint_must_use)]
350#![feature(ip)]
351#![feature(lazy_get)]
352#![feature(maybe_uninit_slice)]
353#![feature(maybe_uninit_write_slice)]
354#![feature(nonnull_provenance)]
355#![feature(panic_can_unwind)]
356#![feature(panic_internals)]
357#![feature(pin_coerce_unsized_trait)]
358#![feature(pointer_is_aligned_to)]
359#![feature(portable_simd)]
360#![feature(ptr_as_uninit)]
361#![feature(ptr_mask)]
362#![feature(random)]
363#![feature(slice_internals)]
364#![feature(slice_ptr_get)]
365#![feature(slice_range)]
366#![feature(std_internals)]
367#![feature(str_internals)]
368#![feature(strict_provenance_atomic_ptr)]
369#![feature(sync_unsafe_cell)]
370#![feature(temporary_niche_types)]
371#![feature(ub_checks)]
372#![feature(used_with_arg)]
373#![feature(alloc_layout_extra)]
378#![feature(allocator_api)]
379#![feature(get_mut_unchecked)]
380#![feature(map_try_insert)]
381#![feature(new_zeroed_alloc)]
382#![feature(slice_concat_trait)]
383#![feature(thin_box)]
384#![feature(try_reserve_kind)]
385#![feature(try_with_capacity)]
386#![feature(unique_rc_arc)]
387#![feature(vec_into_raw_parts)]
388#![feature(panic_unwind)]
393#![feature(stdarch_internal)]
398#![feature(assert_matches)]
403#![feature(async_iterator)]
404#![feature(c_variadic)]
405#![feature(cfg_accessible)]
406#![feature(cfg_eval)]
407#![feature(concat_bytes)]
408#![feature(const_format_args)]
409#![feature(custom_test_frameworks)]
410#![feature(edition_panic)]
411#![feature(format_args_nl)]
412#![feature(log_syntax)]
413#![feature(test)]
414#![feature(trace_macros)]
415#![feature(io_const_error)]
422#![default_lib_allocator]
425
426#[prelude_import]
429#[allow(unused)]
430use prelude::rust_2021::*;
431
432#[cfg(test)]
434extern crate test;
435
436#[allow(unused_imports)] #[macro_use]
438extern crate alloc as alloc_crate;
439
440#[doc(masked)]
443#[allow(unused_extern_crates)]
444#[cfg(not(all(windows, target_env = "msvc")))]
445extern crate libc;
446
447#[doc(masked)]
449#[allow(unused_extern_crates)]
450extern crate unwind;
451
452#[doc(masked)]
456#[allow(unused_extern_crates)]
457#[cfg(all(
458 not(all(windows, target_env = "msvc", not(target_vendor = "uwp"))),
459 feature = "miniz_oxide"
460))]
461extern crate miniz_oxide;
462
463#[cfg(test)]
470extern crate std as realstd;
471
472#[macro_use]
474mod macros;
475
476#[macro_use]
479pub mod rt;
480
481pub mod prelude;
483
484#[stable(feature = "rust1", since = "1.0.0")]
485pub use core::any;
486#[stable(feature = "core_array", since = "1.35.0")]
487pub use core::array;
488#[unstable(feature = "async_iterator", issue = "79024")]
489pub use core::async_iter;
490#[stable(feature = "rust1", since = "1.0.0")]
491pub use core::cell;
492#[stable(feature = "rust1", since = "1.0.0")]
493pub use core::char;
494#[stable(feature = "rust1", since = "1.0.0")]
495pub use core::clone;
496#[stable(feature = "rust1", since = "1.0.0")]
497pub use core::cmp;
498#[stable(feature = "rust1", since = "1.0.0")]
499pub use core::convert;
500#[stable(feature = "rust1", since = "1.0.0")]
501pub use core::default;
502#[stable(feature = "futures_api", since = "1.36.0")]
503pub use core::future;
504#[stable(feature = "core_hint", since = "1.27.0")]
505pub use core::hint;
506#[stable(feature = "rust1", since = "1.0.0")]
507#[allow(deprecated, deprecated_in_future)]
508pub use core::i8;
509#[stable(feature = "rust1", since = "1.0.0")]
510#[allow(deprecated, deprecated_in_future)]
511pub use core::i16;
512#[stable(feature = "rust1", since = "1.0.0")]
513#[allow(deprecated, deprecated_in_future)]
514pub use core::i32;
515#[stable(feature = "rust1", since = "1.0.0")]
516#[allow(deprecated, deprecated_in_future)]
517pub use core::i64;
518#[stable(feature = "i128", since = "1.26.0")]
519#[allow(deprecated, deprecated_in_future)]
520pub use core::i128;
521#[stable(feature = "rust1", since = "1.0.0")]
522pub use core::intrinsics;
523#[stable(feature = "rust1", since = "1.0.0")]
524#[allow(deprecated, deprecated_in_future)]
525pub use core::isize;
526#[stable(feature = "rust1", since = "1.0.0")]
527pub use core::iter;
528#[stable(feature = "rust1", since = "1.0.0")]
529pub use core::marker;
530#[stable(feature = "rust1", since = "1.0.0")]
531pub use core::mem;
532#[stable(feature = "rust1", since = "1.0.0")]
533pub use core::ops;
534#[stable(feature = "rust1", since = "1.0.0")]
535pub use core::option;
536#[stable(feature = "pin", since = "1.33.0")]
537pub use core::pin;
538#[stable(feature = "rust1", since = "1.0.0")]
539pub use core::ptr;
540#[unstable(feature = "new_range_api", issue = "125687")]
541pub use core::range;
542#[stable(feature = "rust1", since = "1.0.0")]
543pub use core::result;
544#[stable(feature = "rust1", since = "1.0.0")]
545#[allow(deprecated, deprecated_in_future)]
546pub use core::u8;
547#[stable(feature = "rust1", since = "1.0.0")]
548#[allow(deprecated, deprecated_in_future)]
549pub use core::u16;
550#[stable(feature = "rust1", since = "1.0.0")]
551#[allow(deprecated, deprecated_in_future)]
552pub use core::u32;
553#[stable(feature = "rust1", since = "1.0.0")]
554#[allow(deprecated, deprecated_in_future)]
555pub use core::u64;
556#[stable(feature = "i128", since = "1.26.0")]
557#[allow(deprecated, deprecated_in_future)]
558pub use core::u128;
559#[unstable(feature = "unsafe_binders", issue = "130516")]
560pub use core::unsafe_binder;
561#[stable(feature = "rust1", since = "1.0.0")]
562#[allow(deprecated, deprecated_in_future)]
563pub use core::usize;
564
565#[stable(feature = "rust1", since = "1.0.0")]
566pub use alloc_crate::borrow;
567#[stable(feature = "rust1", since = "1.0.0")]
568pub use alloc_crate::boxed;
569#[stable(feature = "rust1", since = "1.0.0")]
570pub use alloc_crate::fmt;
571#[stable(feature = "rust1", since = "1.0.0")]
572pub use alloc_crate::format;
573#[stable(feature = "rust1", since = "1.0.0")]
574pub use alloc_crate::rc;
575#[stable(feature = "rust1", since = "1.0.0")]
576pub use alloc_crate::slice;
577#[stable(feature = "rust1", since = "1.0.0")]
578pub use alloc_crate::str;
579#[stable(feature = "rust1", since = "1.0.0")]
580pub use alloc_crate::string;
581#[stable(feature = "rust1", since = "1.0.0")]
582pub use alloc_crate::vec;
583
584#[path = "num/f128.rs"]
585pub mod f128;
586#[path = "num/f16.rs"]
587pub mod f16;
588#[path = "num/f32.rs"]
589pub mod f32;
590#[path = "num/f64.rs"]
591pub mod f64;
592
593#[macro_use]
594pub mod thread;
595pub mod ascii;
596pub mod backtrace;
597#[unstable(feature = "bstr", issue = "134915")]
598pub mod bstr;
599pub mod collections;
600pub mod env;
601pub mod error;
602pub mod ffi;
603pub mod fs;
604pub mod hash;
605pub mod io;
606pub mod net;
607pub mod num;
608pub mod os;
609pub mod panic;
610#[unstable(feature = "pattern_type_macro", issue = "123646")]
611pub mod pat;
612pub mod path;
613pub mod process;
614#[unstable(feature = "random", issue = "130703")]
615pub mod random;
616pub mod sync;
617pub mod time;
618
619#[path = "../../portable-simd/crates/std_float/src/lib.rs"]
622#[allow(missing_debug_implementations, dead_code, unsafe_op_in_unsafe_fn)]
623#[allow(rustdoc::bare_urls)]
624#[unstable(feature = "portable_simd", issue = "86656")]
625mod std_float;
626
627#[unstable(feature = "portable_simd", issue = "86656")]
628pub mod simd {
629 #![doc = include_str!("../../portable-simd/crates/core_simd/src/core_simd_docs.md")]
630
631 #[doc(inline)]
632 pub use core::simd::*;
633
634 #[doc(inline)]
635 pub use crate::std_float::StdFloat;
636}
637
638#[unstable(feature = "autodiff", issue = "124509")]
639pub mod autodiff {
641 pub use core::autodiff::{autodiff_forward, autodiff_reverse};
643}
644
645#[stable(feature = "futures_api", since = "1.36.0")]
646pub mod task {
647 #[doc(inline)]
650 #[stable(feature = "wake_trait", since = "1.51.0")]
651 pub use alloc::task::*;
652 #[doc(inline)]
653 #[stable(feature = "futures_api", since = "1.36.0")]
654 pub use core::task::*;
655}
656
657#[doc = include_str!("../../stdarch/crates/core_arch/src/core_arch_docs.md")]
658#[stable(feature = "simd_arch", since = "1.27.0")]
659pub mod arch {
660 #[stable(feature = "simd_arch", since = "1.27.0")]
661 #[doc(no_inline)] pub use core::arch::*;
667
668 #[stable(feature = "simd_aarch64", since = "1.60.0")]
669 pub use std_detect::is_aarch64_feature_detected;
670 #[unstable(feature = "stdarch_arm_feature_detection", issue = "111190")]
671 pub use std_detect::is_arm_feature_detected;
672 #[unstable(feature = "is_loongarch_feature_detected", issue = "117425")]
673 pub use std_detect::is_loongarch_feature_detected;
674 #[unstable(feature = "is_riscv_feature_detected", issue = "111192")]
675 pub use std_detect::is_riscv_feature_detected;
676 #[unstable(feature = "stdarch_s390x_feature_detection", issue = "135413")]
677 pub use std_detect::is_s390x_feature_detected;
678 #[stable(feature = "simd_x86", since = "1.27.0")]
679 pub use std_detect::is_x86_feature_detected;
680 #[unstable(feature = "stdarch_mips_feature_detection", issue = "111188")]
681 pub use std_detect::{is_mips_feature_detected, is_mips64_feature_detected};
682 #[unstable(feature = "stdarch_powerpc_feature_detection", issue = "111191")]
683 pub use std_detect::{is_powerpc_feature_detected, is_powerpc64_feature_detected};
684}
685
686#[stable(feature = "simd_x86", since = "1.27.0")]
688pub use std_detect::is_x86_feature_detected;
689
690mod sys;
692mod sys_common;
693
694pub mod alloc;
695
696mod panicking;
698
699#[path = "../../backtrace/src/lib.rs"]
700#[allow(dead_code, unused_attributes, fuzzy_provenance_casts, unsafe_op_in_unsafe_fn)]
701mod backtrace_rs;
702
703#[unstable(feature = "cfg_select", issue = "115585")]
704pub use core::cfg_select;
705#[unstable(
706 feature = "concat_bytes",
707 issue = "87555",
708 reason = "`concat_bytes` is not stable enough for use and is subject to change"
709)]
710pub use core::concat_bytes;
711#[stable(feature = "matches_macro", since = "1.42.0")]
712#[allow(deprecated, deprecated_in_future)]
713pub use core::matches;
714#[stable(feature = "core_primitive", since = "1.43.0")]
715pub use core::primitive;
716#[stable(feature = "todo_macro", since = "1.40.0")]
717#[allow(deprecated, deprecated_in_future)]
718pub use core::todo;
719#[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
721#[allow(deprecated)]
722pub use core::{
723 assert, assert_matches, cfg, column, compile_error, concat, concat_idents, const_format_args,
724 env, file, format_args, format_args_nl, include, include_bytes, include_str, line, log_syntax,
725 module_path, option_env, stringify, trace_macros,
726};
727#[stable(feature = "rust1", since = "1.0.0")]
729#[allow(deprecated, deprecated_in_future)]
730pub use core::{
731 assert_eq, assert_ne, debug_assert, debug_assert_eq, debug_assert_ne, r#try, unimplemented,
732 unreachable, write, writeln,
733};
734
735include!("../../core/src/primitive_docs.rs");
739
740include!("keyword_docs.rs");
744
745#[unstable(feature = "restricted_std", issue = "none")]
749mod __restricted_std_workaround {}
750
751mod sealed {
752 #[unstable(feature = "sealed", issue = "none")]
756 pub trait Sealed {}
757}
758
759#[cfg(test)]
760#[allow(dead_code)] pub(crate) mod test_helpers;