// We avoid relying on anything else in the crate, apart from the `Debug` trait.

use crate::fmt::Debug;

use crate::fmt::Debug; // the `Debug` trait is the only thing we use from `crate::fmt`

use std::cmp::Ordering;

use std::sync::atomic::{AtomicUsize, Ordering::SeqCst};

mod decode;

mod methods;

// stable re-exports

#[stable(feature = "try_from", since = "1.34.0")]

pub use self::convert::CharTryFromError;

#[stable(feature = "char_from_str", since = "1.20.0")]

pub use self::convert::ParseCharError;

#[stable(feature = "decode_utf16", since = "1.9.0")]

pub use self::decode::{DecodeUtf16, DecodeUtf16Error};

// perma-unstable re-exports

#[unstable(feature = "char_internals", reason = "exposed only for libstd", issue = "none")]

pub use self::methods::encode_utf16_raw;

pub use self::methods::encode_utf16_raw; // perma-unstable

#[unstable(feature = "char_internals", reason = "exposed only for libstd", issue = "none")]

pub use self::methods::encode_utf8_raw;

pub use self::methods::encode_utf8_raw; // perma-unstable

use crate::ascii;

use crate::error::Error;

//!

//! See the [module-level documentation](super) for more.

// No formatting: this file is nothing but re-exports, and their order is worth preserving.

#![cfg_attr(rustfmt, rustfmt::skip)]

// Re-exported core operators

#[stable(feature = "core_prelude", since = "1.4.0")]

#[doc(no_inline)]

pub use crate::default::Default;

#[stable(feature = "core_prelude", since = "1.4.0")]

#[doc(no_inline)]

pub use crate::iter::{DoubleEndedIterator, ExactSizeIterator};

#[stable(feature = "core_prelude", since = "1.4.0")]

#[doc(no_inline)]

pub use crate::iter::{Extend, IntoIterator, Iterator};

pub use crate::iter::{DoubleEndedIterator, ExactSizeIterator, Extend, IntoIterator, Iterator};

#[stable(feature = "core_prelude", since = "1.4.0")]

#[doc(no_inline)]

pub use crate::option::Option::{self, None, Some};

//! This module is imported by default when `#![no_std]` is used in the same

//! manner as the standard library's prelude.

// No formatting: this file is nothing but re-exports, and their order is worth preserving.

#![cfg_attr(rustfmt, rustfmt::skip)]

#![stable(feature = "core_prelude", since = "1.4.0")]

mod common;

// FIXME(#75598): Direct use of these intrinsics improves codegen significantly at opt-level <=

// 1, where the method versions of these operations are not inlined.

use intrinsics::{

assume, cttz_nonzero, exact_div, mul_with_overflow, unchecked_rem, unchecked_sub,

wrapping_add, wrapping_mul, wrapping_sub,

assume, cttz_nonzero, exact_div, mul_with_overflow, unchecked_rem, unchecked_shl,

unchecked_shr, unchecked_sub, wrapping_add, wrapping_mul, wrapping_sub,

};

use intrinsics::{unchecked_shl, unchecked_shr};

/// Calculate multiplicative modular inverse of `x` modulo `m`.

///

#![unstable(feature = "unicode_internals", issue = "none")]

#![allow(missing_docs)]

// The `pub use` ones are for use in alloc, and are not re-exported in std.

pub(crate) use unicode_data::alphabetic::lookup as Alphabetic;

pub use unicode_data::case_ignorable::lookup as Case_Ignorable;

pub use unicode_data::cased::lookup as Cased;

pub(crate) use unicode_data::cc::lookup as Cc;

pub use unicode_data::conversions;

pub(crate) use unicode_data::grapheme_extend::lookup as Grapheme_Extend;

pub(crate) use unicode_data::lowercase::lookup as Lowercase;

pub(crate) use unicode_data::n::lookup as N;

pub(crate) use unicode_data::uppercase::lookup as Uppercase;

pub(crate) use unicode_data::white_space::lookup as White_Space;

pub(crate) mod printable;

mod unicode_data;

/// [Unicode 11.0 or later, Section 3.1 Versions of the Unicode Standard](https://www.unicode.org/versions/Unicode11.0.0/ch03.pdf#page=4).

#[stable(feature = "unicode_version", since = "1.45.0")]

pub const UNICODE_VERSION: (u8, u8, u8) = unicode_data::UNICODE_VERSION;

// For use in alloc, not re-exported in std.

pub use unicode_data::{

case_ignorable::lookup as Case_Ignorable, cased::lookup as Cased, conversions,

};

pub(crate) use unicode_data::alphabetic::lookup as Alphabetic;

pub(crate) use unicode_data::cc::lookup as Cc;

pub(crate) use unicode_data::grapheme_extend::lookup as Grapheme_Extend;

pub(crate) use unicode_data::lowercase::lookup as Lowercase;

pub(crate) use unicode_data::n::lookup as N;

pub(crate) use unicode_data::uppercase::lookup as Uppercase;

pub(crate) use unicode_data::white_space::lookup as White_Space;

// The Rust prelude

pub mod prelude;

// Public module declarations and re-exports

#[stable(feature = "rust1", since = "1.0.0")]

pub use alloc_crate::borrow;

#[stable(feature = "rust1", since = "1.0.0")]

pub use crate::sys::abi::usercalls::raw::{do_usercall, Usercalls as UsercallNrs};

pub use crate::sys::abi::usercalls::raw::{Register, RegisterArgument, ReturnValue};

// fortanix-sgx-abi re-exports

pub use crate::sys::abi::usercalls::raw::Error;

pub use crate::sys::abi::usercalls::raw::{

ByteBuffer, Cancel, FifoDescriptor, Return, Usercall,

//!

//! See the [module-level documentation](super) for more.

// No formatting: this file is nothing but re-exports, and their order is worth preserving.

#![cfg_attr(rustfmt, rustfmt::skip)]

// Re-exported core operators

#[stable(feature = "rust1", since = "1.0.0")]

#[doc(no_inline)]

//! [book-enums]: ../../book/ch06-01-defining-an-enum.html

//! [book-iter]: ../../book/ch13-02-iterators.html

// No formatting: this file is nothing but re-exports, and their order is worth preserving.

#![cfg_attr(rustfmt, rustfmt::skip)]

#![stable(feature = "rust1", since = "1.0.0")]

mod common;