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Rename doc_cfg to docsrs and use doc_auto_cfg (#1450)

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Artyom Pavlov 2024-05-10 13:46:26 +03:00 committed by GitHub
parent 1b762b2867
commit 890ad8b68b
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GPG Key ID: B5690EEEBB952194
44 changed files with 19 additions and 106 deletions
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4
Cargo.toml
View File

@ -19,9 +19,9 @@ include = ["src/", "LICENSE-*", "README.md", "CHANGELOG.md", "COPYRIGHT"]
[package.metadata.docs.rs]
# To build locally:
# RUSTDOCFLAGS="--cfg doc_cfg -Zunstable-options --generate-link-to-definition" cargo +nightly doc --all --all-features --no-deps --open
# RUSTDOCFLAGS="--cfg docsrs -Zunstable-options --generate-link-to-definition" cargo +nightly doc --all --all-features --no-deps --open
all-features = true
rustdoc-args = ["--cfg", "doc_cfg", "-Zunstable-options", "--generate-link-to-definition"]
rustdoc-args = ["--cfg", "docsrs", "--generate-link-to-definition"]
[package.metadata.playground]
features = ["small_rng", "serde1"]

4
rand_core/Cargo.toml
View File

@ -17,9 +17,9 @@ rust-version = "1.61"
[package.metadata.docs.rs]
# To build locally:
# RUSTDOCFLAGS="--cfg doc_cfg" cargo +nightly doc --all-features --no-deps --open
# RUSTDOCFLAGS="--cfg docsrs" cargo +nightly doc --all-features --no-deps --open
all-features = true
rustdoc-args = ["--cfg", "doc_cfg", "--generate-link-to-definition"]
rustdoc-args = ["--cfg", "docsrs", "--generate-link-to-definition"]
[package.metadata.playground]
all-features = true

4
rand_core/src/blanket_impls.rs
View File

@ -44,7 +44,6 @@ impl<'a, R: TryRngCore + ?Sized> TryRngCore for &'a mut R {
impl<'a, R: TryCryptoRng + ?Sized> TryCryptoRng for &'a mut R {}
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
impl<R: RngCore + ?Sized> RngCore for Box<R> {
#[inline(always)]
fn next_u32(&mut self) -> u32 {
@ -63,11 +62,9 @@ impl<R: RngCore + ?Sized> RngCore for Box<R> {
}
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
impl<R: CryptoRng + ?Sized> CryptoRng for Box<R> {}
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
impl<R: TryRngCore + ?Sized> TryRngCore for Box<R> {
type Error = R::Error;
@ -88,5 +85,4 @@ impl<R: TryRngCore + ?Sized> TryRngCore for Box<R> {
}
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
impl<R: TryCryptoRng + ?Sized> TryCryptoRng for Box<R> {}

6
rand_core/src/impls.rs
View File

@ -160,7 +160,7 @@ pub fn next_u64_via_fill<R: RngCore + ?Sized>(rng: &mut R) -> u64 {
u64::from_le_bytes(buf)
}
/// Implement [`TryRngCore`] for a type implementing [`RngCore`].
/// Implement [`TryRngCore`][crate::TryRngCore] for a type implementing [`RngCore`].
///
/// Ideally, `rand_core` would define blanket impls for this, but they conflict with blanket impls
/// for `&mut R` and `Box<R>`, so until specialziation is stabilized, implementer crates
@ -195,6 +195,10 @@ macro_rules! impl_try_rng_from_rng_core {
/// Ideally, `rand_core` would define blanket impls for this, but they conflict with blanket impls
/// for `&mut R` and `Box<R>`, so until specialziation is stabilized, implementer crates
/// have to implement `TryRngCore` and `TryCryptoRng` directly.
///
/// [`TryCryptoRng`]: crate::TryCryptoRng
/// [`TryRngCore`]: crate::TryRngCore
/// [`CryptoRng`]: crate::CryptoRng
#[macro_export]
macro_rules! impl_try_crypto_rng_from_crypto_rng {
($t:ty) => {

5
rand_core/src/lib.rs
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@ -32,8 +32,7 @@
#![deny(missing_docs)]
#![deny(missing_debug_implementations)]
#![doc(test(attr(allow(unused_variables), deny(warnings))))]
#![allow(unexpected_cfgs)]
#![cfg_attr(doc_cfg, feature(doc_cfg))]
#![cfg_attr(docsrs, feature(doc_auto_cfg))]
#![no_std]
#[cfg(feature = "alloc")]
@ -446,7 +445,6 @@ pub trait SeedableRng: Sized {
/// [`getrandom`]: https://docs.rs/getrandom
/// [`try_from_os_rng`]: SeedableRng::try_from_os_rng
#[cfg(feature = "getrandom")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "getrandom")))]
fn from_os_rng() -> Self {
match Self::try_from_os_rng() {
Ok(res) => res,
@ -463,7 +461,6 @@ pub trait SeedableRng: Sized {
///
/// [`getrandom`]: https://docs.rs/getrandom
#[cfg(feature = "getrandom")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "getrandom")))]
fn try_from_os_rng() -> Result<Self, getrandom::Error> {
let mut seed = Self::Seed::default();
getrandom::getrandom(seed.as_mut())?;

1
rand_core/src/os.rs
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@ -44,7 +44,6 @@ use getrandom::getrandom;
/// ```
///
/// [getrandom]: https://crates.io/crates/getrandom
#[cfg_attr(doc_cfg, doc(cfg(feature = "getrandom")))]
#[derive(Clone, Copy, Debug, Default)]
pub struct OsRng;

2
rand_distr/Cargo.toml
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@ -17,7 +17,7 @@ rust-version = "1.61"
include = ["src/", "LICENSE-*", "README.md", "CHANGELOG.md", "COPYRIGHT"]
[package.metadata.docs.rs]
rustdoc-args = ["--generate-link-to-definition"]
rustdoc-args = ["--cfg docsrs", "--generate-link-to-definition"]
[features]
default = ["std"]

1
rand_distr/src/binomial.rs
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@ -58,7 +58,6 @@ impl fmt::Display for Error {
}
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
impl std::error::Error for Error {}
impl Binomial {

1
rand_distr/src/cauchy.rs
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@ -58,7 +58,6 @@ impl fmt::Display for Error {
}
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
impl std::error::Error for Error {}
impl<F> Cauchy<F>

5
rand_distr/src/dirichlet.rs
View File

@ -31,7 +31,6 @@ where
}
/// Error type returned from `DirchletFromGamma::new`.
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
enum DirichletFromGammaError {
/// Gamma::new(a, 1) failed.
@ -104,7 +103,6 @@ where
}
/// Error type returned from `DirchletFromBeta::new`.
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
enum DirichletFromBetaError {
/// Beta::new(a, b) failed.
@ -203,7 +201,6 @@ where
/// let samples = dirichlet.sample(&mut rand::thread_rng());
/// println!("{:?} is from a Dirichlet([1.0, 2.0, 3.0]) distribution", samples);
/// ```
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
#[cfg_attr(feature = "serde_with", serde_as)]
#[derive(Clone, Debug, PartialEq)]
pub struct Dirichlet<F, const N: usize>
@ -217,7 +214,6 @@ where
}
/// Error type returned from `Dirchlet::new`.
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum Error {
/// `alpha.len() < 2`.
@ -257,7 +253,6 @@ impl fmt::Display for Error {
}
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
impl std::error::Error for Error {}
impl<F, const N: usize> Dirichlet<F, N>

1
rand_distr/src/exponential.rs
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@ -118,7 +118,6 @@ impl fmt::Display for Error {
}
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
impl std::error::Error for Error {}
impl<F: Float> Exp<F>

1
rand_distr/src/frechet.rs
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@ -61,7 +61,6 @@ impl fmt::Display for Error {
}
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
impl std::error::Error for Error {}
impl<F> Frechet<F>

4
rand_distr/src/gamma.rs
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@ -88,7 +88,6 @@ impl fmt::Display for Error {
}
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
impl std::error::Error for Error {}
#[derive(Clone, Copy, Debug, PartialEq)]
@ -311,7 +310,6 @@ impl fmt::Display for ChiSquaredError {
}
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
impl std::error::Error for ChiSquaredError {}
#[derive(Clone, Copy, Debug, PartialEq)]
@ -421,7 +419,6 @@ impl fmt::Display for FisherFError {
}
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
impl std::error::Error for FisherFError {}
impl<F> FisherF<F>
@ -592,7 +589,6 @@ impl fmt::Display for BetaError {
}
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
impl std::error::Error for BetaError {}
impl<F> Beta<F>

1
rand_distr/src/geometric.rs
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@ -53,7 +53,6 @@ impl fmt::Display for Error {
}
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
impl std::error::Error for Error {}
impl Geometric {

1
rand_distr/src/gumbel.rs
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@ -57,7 +57,6 @@ impl fmt::Display for Error {
}
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
impl std::error::Error for Error {}
impl<F> Gumbel<F>

1
rand_distr/src/hypergeometric.rs
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@ -87,7 +87,6 @@ impl fmt::Display for Error {
}
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
impl std::error::Error for Error {}
// evaluate fact(numerator.0)*fact(numerator.1) / fact(denominator.0)*fact(denominator.1)

1
rand_distr/src/inverse_gaussian.rs
View File

@ -22,7 +22,6 @@ impl fmt::Display for Error {
}
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
impl std::error::Error for Error {}
/// The [inverse Gaussian distribution](https://en.wikipedia.org/wiki/Inverse_Gaussian_distribution)

9
rand_distr/src/lib.rs
View File

@ -21,8 +21,7 @@
)]
#![allow(clippy::neg_cmp_op_on_partial_ord)] // suggested fix too verbose
#![no_std]
#![allow(unexpected_cfgs)]
#![cfg_attr(doc_cfg, feature(doc_cfg))]
#![cfg_attr(docsrs, feature(doc_auto_cfg))]
//! Generating random samples from probability distributions.
//!
@ -102,7 +101,6 @@ pub use rand::distributions::{
pub use self::binomial::{Binomial, Error as BinomialError};
pub use self::cauchy::{Cauchy, Error as CauchyError};
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
pub use self::dirichlet::{Dirichlet, Error as DirichletError};
pub use self::exponential::{Error as ExpError, Exp, Exp1};
pub use self::frechet::{Error as FrechetError, Frechet};
@ -130,13 +128,10 @@ pub use self::unit_sphere::UnitSphere;
pub use self::weibull::{Error as WeibullError, Weibull};
pub use self::zipf::{Zeta, ZetaError, Zipf, ZipfError};
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
pub use rand::distributions::{WeightError, WeightedIndex};
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
pub use weighted_alias::WeightedAliasIndex;
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
pub use weighted_tree::WeightedTreeIndex;
pub use num_traits;
@ -193,10 +188,8 @@ mod test {
}
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
pub mod weighted_alias;
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
pub mod weighted_tree;
mod binomial;

1
rand_distr/src/normal.rs
View File

@ -142,7 +142,6 @@ impl fmt::Display for Error {
}
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
impl std::error::Error for Error {}
impl<F> Normal<F>

1
rand_distr/src/normal_inverse_gaussian.rs
View File

@ -26,7 +26,6 @@ impl fmt::Display for Error {
}
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
impl std::error::Error for Error {}
/// The [normal-inverse Gaussian distribution](https://en.wikipedia.org/wiki/Normal-inverse_Gaussian_distribution)

1
rand_distr/src/pareto.rs
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@ -53,7 +53,6 @@ impl fmt::Display for Error {
}
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
impl std::error::Error for Error {}
impl<F> Pareto<F>

1
rand_distr/src/pert.rs
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@ -66,7 +66,6 @@ impl fmt::Display for PertError {
}
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
impl std::error::Error for PertError {}
impl<F> Pert<F>

1
rand_distr/src/poisson.rs
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@ -62,7 +62,6 @@ impl fmt::Display for Error {
}
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
impl std::error::Error for Error {}
impl<F> Poisson<F>

1
rand_distr/src/skew_normal.rs
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@ -73,7 +73,6 @@ impl fmt::Display for Error {
}
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
impl std::error::Error for Error {}
impl<F> SkewNormal<F>

1
rand_distr/src/triangular.rs
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@ -64,7 +64,6 @@ impl fmt::Display for TriangularError {
}
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
impl std::error::Error for TriangularError {}
impl<F> Triangular<F>

1
rand_distr/src/weibull.rs
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@ -53,7 +53,6 @@ impl fmt::Display for Error {
}
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
impl std::error::Error for Error {}
impl<F> Weibull<F>

2
rand_distr/src/weighted_alias.rs
View File

@ -65,7 +65,6 @@ use serde::{Deserialize, Serialize};
/// [`Vec<u32>`]: Vec
/// [`Uniform<u32>::sample`]: Distribution::sample
/// [`Uniform<W>::sample`]: Distribution::sample
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
#[cfg_attr(
feature = "serde1",
@ -279,7 +278,6 @@ where
/// Trait that must be implemented for weights, that are used with
/// [`WeightedAliasIndex`]. Currently no guarantees on the correctness of
/// [`WeightedAliasIndex`] are given for custom implementations of this trait.
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
pub trait AliasableWeight:
Sized
+ Copy

3
rand_distr/src/weighted_tree.rs
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@ -77,14 +77,13 @@ use serde::{Deserialize, Serialize};
/// ```
///
/// [`WeightedTreeIndex<W>`]: WeightedTreeIndex
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
#[cfg_attr(
feature = "serde1",
serde(bound(serialize = "W: Serialize, W::Sampler: Serialize"))
)]
#[cfg_attr(
feature = "serde1 ",
feature = "serde1",
serde(bound(deserialize = "W: Deserialize<'de>, W::Sampler: Deserialize<'de>"))
)]
#[derive(Clone, Default, Debug, PartialEq)]

2
rand_distr/src/zipf.rs
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@ -73,7 +73,6 @@ impl fmt::Display for ZetaError {
}
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
impl std::error::Error for ZetaError {}
impl<F> Zeta<F>
@ -181,7 +180,6 @@ impl fmt::Display for ZipfError {
}
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
impl std::error::Error for ZipfError {}
impl<F> Zipf<F>

1
src/distributions/distribution.rs
View File

@ -186,7 +186,6 @@ where
/// Sampling a `String` of random characters is not quite the same as collecting
/// a sequence of chars. This trait contains some helpers.
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
pub trait DistString {
/// Append `len` random chars to `string`
fn append_string<R: Rng + ?Sized>(&self, rng: &mut R, string: &mut String, len: usize);

9
src/distributions/float.rs
View File

@ -104,8 +104,7 @@ macro_rules! float_impls {
}
}
$(#[cfg($meta)]
#[cfg_attr(doc_cfg, doc(cfg($meta)))])?
$(#[cfg($meta)])?
impl Distribution<$ty> for Standard {
fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> $ty {
// Multiply-based method; 24/53 random bits; [0, 1) interval.
@ -121,8 +120,7 @@ macro_rules! float_impls {
}
}
$(#[cfg($meta)]
#[cfg_attr(doc_cfg, doc(cfg($meta)))])?
$(#[cfg($meta)])?
impl Distribution<$ty> for OpenClosed01 {
fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> $ty {
// Multiply-based method; 24/53 random bits; (0, 1] interval.
@ -139,8 +137,7 @@ macro_rules! float_impls {
}
}
$(#[cfg($meta)]
#[cfg_attr(doc_cfg, doc(cfg($meta)))])?
$(#[cfg($meta)])?
impl Distribution<$ty> for Open01 {
fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> $ty {
// Transmute-based method; 23/52 random bits; (0, 1) interval.

3
src/distributions/integer.rs
View File

@ -127,7 +127,6 @@ impl_nzint!(NonZeroIsize, NonZeroIsize::new);
macro_rules! x86_intrinsic_impl {
($meta:meta, $($intrinsic:ident),+) => {$(
#[cfg($meta)]
#[cfg_attr(doc_cfg, doc(cfg($meta)))]
impl Distribution<$intrinsic> for Standard {
#[inline]
fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> $intrinsic {
@ -149,8 +148,6 @@ macro_rules! simd_impl {
///
/// [`simd_support`]: https://github.com/rust-random/rand#crate-features
#[cfg(feature = "simd_support")]
// TODO: as doc_cfg/doc_auto_cfg mature ensure they catch this
#[cfg_attr(doc_cfg, doc(cfg(feature = "simd_support")))]
impl<const LANES: usize> Distribution<Simd<$ty, LANES>> for Standard
where
LaneCount<LANES>: SupportedLaneCount,

1
src/distributions/mod.rs
View File

@ -111,7 +111,6 @@ pub mod uniform;
pub use self::bernoulli::{Bernoulli, BernoulliError};
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
pub use self::distribution::DistString;
pub use self::distribution::{DistIter, DistMap, Distribution};
pub use self::float::{Open01, OpenClosed01};

3
src/distributions/other.rs
View File

@ -96,7 +96,6 @@ impl Distribution<char> for Standard {
/// Note: the `String` is potentially left with excess capacity; optionally the
/// user may call `string.shrink_to_fit()` afterwards.
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
impl DistString for Standard {
fn append_string<R: Rng + ?Sized>(&self, rng: &mut R, s: &mut String, len: usize) {
// A char is encoded with at most four bytes, thus this reservation is
@ -127,7 +126,6 @@ impl Distribution<u8> for Alphanumeric {
}
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
impl DistString for Alphanumeric {
fn append_string<R: Rng + ?Sized>(&self, rng: &mut R, string: &mut String, len: usize) {
unsafe {
@ -175,7 +173,6 @@ impl Distribution<bool> for Standard {
/// [`_mm_blendv_epi8`]: https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_blendv_epi8&ig_expand=514/
/// [`simd_support`]: https://github.com/rust-random/rand#crate-features
#[cfg(feature = "simd_support")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "simd_support")))]
impl<T, const LANES: usize> Distribution<Mask<T, LANES>> for Standard
where
T: MaskElement + Default,

1
src/distributions/slice.rs
View File

@ -129,7 +129,6 @@ impl std::error::Error for EmptySlice {}
/// Note: the `String` is potentially left with excess capacity; optionally the
/// user may call `string.shrink_to_fit()` afterwards.
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
impl<'a> super::DistString for Slice<'a, char> {
fn append_string<R: crate::Rng + ?Sized>(&self, rng: &mut R, string: &mut String, len: usize) {
// Get the max char length to minimize extra space.

10
src/distributions/uniform.rs
View File

@ -140,7 +140,6 @@ impl fmt::Display for Error {
}
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
impl std::error::Error for Error {}
#[cfg(feature = "serde1")]
@ -676,7 +675,6 @@ macro_rules! uniform_simd_int_impl {
// implement it manually.
#[cfg(feature = "simd_support")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "simd_support")))]
impl<const LANES: usize> SampleUniform for Simd<$ty, LANES>
where
LaneCount<LANES>: SupportedLaneCount,
@ -688,7 +686,6 @@ macro_rules! uniform_simd_int_impl {
}
#[cfg(feature = "simd_support")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "simd_support")))]
impl<const LANES: usize> UniformSampler for UniformInt<Simd<$ty, LANES>>
where
LaneCount<LANES>: SupportedLaneCount,
@ -864,7 +861,6 @@ impl UniformSampler for UniformChar {
/// includes non ascii chars; optionally the user may call
/// `string.shrink_to_fit()` afterwards.
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
impl super::DistString for Uniform<char> {
fn append_string<R: Rng + ?Sized>(
&self,
@ -912,14 +908,12 @@ pub struct UniformFloat<X> {
macro_rules! uniform_float_impl {
($($meta:meta)?, $ty:ty, $uty:ident, $f_scalar:ident, $u_scalar:ident, $bits_to_discard:expr) => {
$(#[cfg($meta)]
#[cfg_attr(doc_cfg, doc(cfg($meta)))])?
$(#[cfg($meta)])?
impl SampleUniform for $ty {
type Sampler = UniformFloat<$ty>;
}
$(#[cfg($meta)]
#[cfg_attr(doc_cfg, doc(cfg($meta)))])?
$(#[cfg($meta)])?
impl UniformSampler for UniformFloat<$ty> {
type X = $ty;

2
src/distributions/weighted_index.rs
View File

@ -82,7 +82,6 @@ use serde::{Deserialize, Serialize};
/// [`RngCore`]: crate::RngCore
#[derive(Debug, Clone, PartialEq)]
#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
pub struct WeightedIndex<X: SampleUniform + PartialOrd> {
cumulative_weights: Vec<X>,
total_weight: X,
@ -702,7 +701,6 @@ mod test {
}
/// Errors returned by weighted distributions
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum WeightError {
/// The input weight sequence is empty, too long, or wrongly ordered

7
src/lib.rs
View File

@ -50,8 +50,7 @@
#![doc(test(attr(allow(unused_variables), deny(warnings))))]
#![no_std]
#![cfg_attr(feature = "simd_support", feature(portable_simd))]
#![allow(unexpected_cfgs)]
#![cfg_attr(doc_cfg, feature(doc_cfg))]
#![cfg_attr(docsrs, feature(doc_auto_cfg))]
#![allow(
clippy::float_cmp,
clippy::neg_cmp_op_on_partial_ord,
@ -157,10 +156,6 @@ use crate::distributions::{Distribution, Standard};
/// [`Standard`]: distributions::Standard
/// [`ThreadRng`]: rngs::ThreadRng
#[cfg(all(feature = "std", feature = "std_rng", feature = "getrandom"))]
#[cfg_attr(
doc_cfg,
doc(cfg(all(feature = "std", feature = "std_rng", feature = "getrandom")))
)]
#[inline]
pub fn random<T>() -> T
where

1
src/rngs/mod.rs
View File

@ -121,6 +121,5 @@ pub use self::std::StdRng;
#[cfg(all(feature = "std", feature = "std_rng", feature = "getrandom"))]
pub use self::thread::ThreadRng;
#[cfg_attr(doc_cfg, doc(cfg(feature = "getrandom")))]
#[cfg(feature = "getrandom")]
pub use rand_core::OsRng;

1
src/rngs/small.rs
View File

@ -38,7 +38,6 @@ type Rng = super::xoshiro128plusplus::Xoshiro128PlusPlus;
/// [`StdRng`]: crate::rngs::StdRng
/// [rand_chacha]: https://crates.io/crates/rand_chacha
/// [rand_xoshiro]: https://crates.io/crates/rand_xoshiro
#[cfg_attr(doc_cfg, doc(cfg(feature = "small_rng")))]
#[derive(Clone, Debug, PartialEq, Eq)]
pub struct SmallRng(Rng);

1
src/rngs/std.rs
View File

@ -30,7 +30,6 @@ use rand_chacha::ChaCha12Rng as Rng;
///
/// [rand_chacha]: https://crates.io/crates/rand_chacha
/// [rand issue]: https://github.com/rust-random/rand/issues/932
#[cfg_attr(doc_cfg, doc(cfg(feature = "std_rng")))]
#[derive(Clone, Debug, PartialEq, Eq)]
pub struct StdRng(Rng);

8
src/rngs/thread.rs
View File

@ -76,10 +76,6 @@ const THREAD_RNG_RESEED_THRESHOLD: u64 = 1024 * 64;
///
/// [`ReseedingRng`]: crate::rngs::ReseedingRng
/// [`StdRng`]: crate::rngs::StdRng
#[cfg_attr(
doc_cfg,
doc(cfg(all(feature = "std", feature = "std_rng", feature = "getrandom")))
)]
#[derive(Clone)]
pub struct ThreadRng {
// Rc is explicitly !Send and !Sync
@ -135,10 +131,6 @@ thread_local!(
/// println!("A simulated die roll: {}", rng.gen_range(1..=6));
/// # }
/// ```
#[cfg_attr(
doc_cfg,
doc(cfg(all(feature = "std", feature = "std_rng", feature = "getrandom")))
)]
pub fn thread_rng() -> ThreadRng {
let rng = THREAD_RNG_KEY.with(|t| t.clone());
ThreadRng { rng }

1
src/seq/index.rs
View File

@ -282,7 +282,6 @@ where
///
/// This implementation uses `O(length + amount)` space and `O(length)` time.
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
pub fn sample_weighted<R, F, X>(
rng: &mut R,
length: usize,

9
src/seq/mod.rs
View File

@ -28,7 +28,6 @@
mod coin_flipper;
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
pub mod index;
mod increasing_uniform;
@ -122,7 +121,6 @@ pub trait IndexedRandom: Index<usize> {
/// }
/// ```
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
fn choose_multiple<R>(&self, rng: &mut R, amount: usize) -> SliceChooseIter<Self, Self::Output>
where
Self::Output: Sized,
@ -166,7 +164,6 @@ pub trait IndexedRandom: Index<usize> {
/// [`choose_weighted_mut`]: IndexedMutRandom::choose_weighted_mut
/// [`distributions::WeightedIndex`]: crate::distributions::WeightedIndex
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
fn choose_weighted<R, F, B, X>(
&self,
rng: &mut R,
@ -218,7 +215,6 @@ pub trait IndexedRandom: Index<usize> {
// Note: this is feature-gated on std due to usage of f64::powf.
// If necessary, we may use alloc+libm as an alternative (see PR #1089).
#[cfg(feature = "std")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
fn choose_multiple_weighted<R, F, X>(
&self,
rng: &mut R,
@ -288,7 +284,6 @@ pub trait IndexedMutRandom: IndexedRandom + IndexMut<usize> {
/// [`choose_weighted`]: IndexedRandom::choose_weighted
/// [`distributions::WeightedIndex`]: crate::distributions::WeightedIndex
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
fn choose_weighted_mut<R, F, B, X>(
&mut self,
rng: &mut R,
@ -585,7 +580,6 @@ pub trait IteratorRandom: Iterator + Sized {
/// Complexity is `O(n)` where `n` is the length of the iterator.
/// For slices, prefer [`IndexedRandom::choose_multiple`].
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
fn choose_multiple<R>(mut self, rng: &mut R, amount: usize) -> Vec<Self::Item>
where
R: Rng + ?Sized,
@ -672,7 +666,6 @@ impl<I> IteratorRandom for I where I: Iterator + Sized {}
/// This struct is created by
/// [`IndexedRandom::choose_multiple`](trait.IndexedRandom.html#tymethod.choose_multiple).
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
#[derive(Debug)]
pub struct SliceChooseIter<'a, S: ?Sized + 'a, T: 'a> {
slice: &'a S,
@ -681,7 +674,6 @@ pub struct SliceChooseIter<'a, S: ?Sized + 'a, T: 'a> {
}
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
impl<'a, S: Index<usize, Output = T> + ?Sized + 'a, T: 'a> Iterator for SliceChooseIter<'a, S, T> {
type Item = &'a T;
@ -696,7 +688,6 @@ impl<'a, S: Index<usize, Output = T> + ?Sized + 'a, T: 'a> Iterator for SliceCho
}
#[cfg(feature = "alloc")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
impl<'a, S: Index<usize, Output = T> + ?Sized + 'a, T: 'a> ExactSizeIterator
for SliceChooseIter<'a, S, T>
{