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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /third_party/rust/rand/src/distributions/weighted.rs | |
parent | Initial commit. (diff) | |
download | firefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/rand/src/distributions/weighted.rs')
-rw-r--r-- | third_party/rust/rand/src/distributions/weighted.rs | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/third_party/rust/rand/src/distributions/weighted.rs b/third_party/rust/rand/src/distributions/weighted.rs new file mode 100644 index 0000000000..846b9df9c2 --- /dev/null +++ b/third_party/rust/rand/src/distributions/weighted.rs @@ -0,0 +1,47 @@ +// Copyright 2018 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +//! Weighted index sampling +//! +//! This module is deprecated. Use [`crate::distributions::WeightedIndex`] and +//! [`crate::distributions::WeightedError`] instead. + +pub use super::{WeightedIndex, WeightedError}; + +#[allow(missing_docs)] +#[deprecated(since = "0.8.0", note = "moved to rand_distr crate")] +pub mod alias_method { + // This module exists to provide a deprecation warning which minimises + // compile errors, but still fails to compile if ever used. + use core::marker::PhantomData; + use alloc::vec::Vec; + use super::WeightedError; + + #[derive(Debug)] + pub struct WeightedIndex<W: Weight> { + _phantom: PhantomData<W>, + } + impl<W: Weight> WeightedIndex<W> { + pub fn new(_weights: Vec<W>) -> Result<Self, WeightedError> { + Err(WeightedError::NoItem) + } + } + + pub trait Weight {} + macro_rules! impl_weight { + () => {}; + ($T:ident, $($more:ident,)*) => { + impl Weight for $T {} + impl_weight!($($more,)*); + }; + } + impl_weight!(f64, f32,); + impl_weight!(u8, u16, u32, u64, usize,); + impl_weight!(i8, i16, i32, i64, isize,); + impl_weight!(u128, i128,); +} |