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Remove or hide deprecated unstable SipHasher{13,24} #49108

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5 changes: 3 additions & 2 deletions src/libcore/hash/mod.rs
Original file line number Diff line number Diff line change
Expand Up @@ -99,9 +99,10 @@ use mem;
#[allow(deprecated)]
pub use self::sip::SipHasher;

#[unstable(feature = "sip_hash_13", issue = "34767")]
#[unstable(feature = "hashmap_internals", issue = "0")]
#[allow(deprecated)]
pub use self::sip::{SipHasher13, SipHasher24};
#[doc(hidden)]
pub use self::sip::SipHasher13;

mod sip;

Expand Down
56 changes: 12 additions & 44 deletions src/libcore/hash/sip.rs
Original file line number Diff line number Diff line change
Expand Up @@ -23,22 +23,23 @@ use mem;
/// (eg. `collections::HashMap` uses it by default).
///
/// See: <https://131002.net/siphash>
#[unstable(feature = "sip_hash_13", issue = "34767")]
#[unstable(feature = "hashmap_internals", issue = "0")]
#[rustc_deprecated(since = "1.13.0",
reason = "use `std::collections::hash_map::DefaultHasher` instead")]
#[derive(Debug, Clone, Default)]
#[doc(hidden)]
pub struct SipHasher13 {
hasher: Hasher<Sip13Rounds>,
}

/// An implementation of SipHash 2-4.
///
/// See: <https://131002.net/siphash/>
#[unstable(feature = "sip_hash_13", issue = "34767")]
#[unstable(feature = "hashmap_internals", issue = "0")]
#[rustc_deprecated(since = "1.13.0",
reason = "use `std::collections::hash_map::DefaultHasher` instead")]
#[derive(Debug, Clone, Default)]
pub struct SipHasher24 {
struct SipHasher24 {
hasher: Hasher<Sip24Rounds>,
}

Expand Down Expand Up @@ -156,14 +157,16 @@ impl SipHasher {
#[rustc_deprecated(since = "1.13.0",
reason = "use `std::collections::hash_map::DefaultHasher` instead")]
pub fn new_with_keys(key0: u64, key1: u64) -> SipHasher {
SipHasher(SipHasher24::new_with_keys(key0, key1))
SipHasher(SipHasher24 {
hasher: Hasher::new_with_keys(key0, key1)
})
}
}

impl SipHasher13 {
/// Creates a new `SipHasher13` with the two initial keys set to 0.
#[inline]
#[unstable(feature = "sip_hash_13", issue = "34767")]
#[unstable(feature = "hashmap_internals", issue = "0")]
#[rustc_deprecated(since = "1.13.0",
reason = "use `std::collections::hash_map::DefaultHasher` instead")]
pub fn new() -> SipHasher13 {
Expand All @@ -172,7 +175,7 @@ impl SipHasher13 {

/// Creates a `SipHasher13` that is keyed off the provided keys.
#[inline]
#[unstable(feature = "sip_hash_13", issue = "34767")]
#[unstable(feature = "hashmap_internals", issue = "0")]
#[rustc_deprecated(since = "1.13.0",
reason = "use `std::collections::hash_map::DefaultHasher` instead")]
pub fn new_with_keys(key0: u64, key1: u64) -> SipHasher13 {
Expand All @@ -182,28 +185,6 @@ impl SipHasher13 {
}
}

impl SipHasher24 {
/// Creates a new `SipHasher24` with the two initial keys set to 0.
#[inline]
#[unstable(feature = "sip_hash_13", issue = "34767")]
#[rustc_deprecated(since = "1.13.0",
reason = "use `std::collections::hash_map::DefaultHasher` instead")]
pub fn new() -> SipHasher24 {
SipHasher24::new_with_keys(0, 0)
}

/// Creates a `SipHasher24` that is keyed off the provided keys.
#[inline]
#[unstable(feature = "sip_hash_13", issue = "34767")]
#[rustc_deprecated(since = "1.13.0",
reason = "use `std::collections::hash_map::DefaultHasher` instead")]
pub fn new_with_keys(key0: u64, key1: u64) -> SipHasher24 {
SipHasher24 {
hasher: Hasher::new_with_keys(key0, key1)
}
}
}

impl<S: Sip> Hasher<S> {
#[inline]
fn new_with_keys(key0: u64, key1: u64) -> Hasher<S> {
Expand Down Expand Up @@ -271,16 +252,16 @@ impl<S: Sip> Hasher<S> {
impl super::Hasher for SipHasher {
#[inline]
fn write(&mut self, msg: &[u8]) {
self.0.write(msg)
self.0.hasher.write(msg)
}

#[inline]
fn finish(&self) -> u64 {
self.0.finish()
self.0.hasher.finish()
}
}

#[unstable(feature = "sip_hash_13", issue = "34767")]
#[unstable(feature = "hashmap_internals", issue = "0")]
impl super::Hasher for SipHasher13 {
#[inline]
fn write(&mut self, msg: &[u8]) {
Expand All @@ -293,19 +274,6 @@ impl super::Hasher for SipHasher13 {
}
}

#[unstable(feature = "sip_hash_13", issue = "34767")]
impl super::Hasher for SipHasher24 {
#[inline]
fn write(&mut self, msg: &[u8]) {
self.hasher.write(msg)
}

#[inline]
fn finish(&self) -> u64 {
self.hasher.finish()
}
}

impl<S: Sip> super::Hasher for Hasher<S> {
// see short_write comment for explanation
#[inline]
Expand Down
12 changes: 6 additions & 6 deletions src/libcore/tests/hash/sip.rs
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@
#![allow(deprecated)]

use core::hash::{Hash, Hasher};
use core::hash::{SipHasher, SipHasher13, SipHasher24};
use core::hash::{SipHasher, SipHasher13};
use core::{slice, mem};

// Hash just the bytes of the slice, without length prefix
Expand Down Expand Up @@ -224,14 +224,14 @@ fn test_siphash_2_4() {
let k1 = 0x_0f_0e_0d_0c_0b_0a_09_08;
let mut buf = Vec::new();
let mut t = 0;
let mut state_inc = SipHasher24::new_with_keys(k0, k1);
let mut state_inc = SipHasher::new_with_keys(k0, k1);

while t < 64 {
let vec = u8to64_le!(vecs[t], 0);
let out = hash_with(SipHasher24::new_with_keys(k0, k1), &Bytes(&buf));
let out = hash_with(SipHasher::new_with_keys(k0, k1), &Bytes(&buf));
assert_eq!(vec, out);

let full = hash_with(SipHasher24::new_with_keys(k0, k1), &Bytes(&buf));
let full = hash_with(SipHasher::new_with_keys(k0, k1), &Bytes(&buf));
let i = state_inc.finish();

assert_eq!(full, i);
Expand Down Expand Up @@ -322,13 +322,13 @@ fn test_hash_no_concat_alias() {
#[test]
fn test_write_short_works() {
let test_usize = 0xd0c0b0a0usize;
let mut h1 = SipHasher24::new();
let mut h1 = SipHasher::new();
h1.write_usize(test_usize);
h1.write(b"bytes");
h1.write(b"string");
h1.write_u8(0xFFu8);
h1.write_u8(0x01u8);
let mut h2 = SipHasher24::new();
let mut h2 = SipHasher::new();
h2.write(unsafe {
slice::from_raw_parts(&test_usize as *const _ as *const u8,
mem::size_of::<usize>())
Expand Down
2 changes: 1 addition & 1 deletion src/libcore/tests/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@
#![feature(fixed_size_array)]
#![feature(flt2dec)]
#![feature(fmt_internals)]
#![feature(hashmap_internals)]
#![feature(iterator_step_by)]
#![feature(i128_type)]
#![cfg_attr(stage0, feature(inclusive_range_syntax))]
Expand All @@ -35,7 +36,6 @@
#![feature(range_is_empty)]
#![feature(raw)]
#![feature(refcell_replace_swap)]
#![feature(sip_hash_13)]
#![feature(slice_patterns)]
#![feature(sort_internals)]
#![feature(specialization)]
Expand Down
3 changes: 1 addition & 2 deletions src/libstd/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -267,7 +267,7 @@
#![feature(fn_traits)]
#![feature(fnbox)]
#![feature(generic_param_attrs)]
#![feature(hashmap_hasher)]
#![feature(hashmap_internals)]
#![feature(heap_api)]
#![feature(i128)]
#![feature(i128_type)]
Expand Down Expand Up @@ -298,7 +298,6 @@
#![feature(raw)]
#![feature(rustc_attrs)]
#![feature(stdsimd)]
#![feature(sip_hash_13)]
#![feature(slice_bytes)]
#![feature(slice_concat_ext)]
#![feature(slice_internals)]
Expand Down