bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/stdx/src/hash.rs')
-rw-r--r--crates/stdx/src/hash.rs80
1 files changed, 0 insertions, 80 deletions
diff --git a/crates/stdx/src/hash.rs b/crates/stdx/src/hash.rs
deleted file mode 100644
index 0c21d2674b..0000000000
--- a/crates/stdx/src/hash.rs
+++ /dev/null
@@ -1,80 +0,0 @@
-//! A none hashing [`Hasher`] implementation.
-use std::{
- hash::{BuildHasher, Hasher},
- marker::PhantomData,
-};
-
-pub type NoHashHashMap<K, V> = std::collections::HashMap<K, V, NoHashHasherBuilder<K>>;
-pub type NoHashHashSet<K> = std::collections::HashSet<K, NoHashHasherBuilder<K>>;
-
-#[derive(Copy, Clone, Debug, PartialEq, Eq)]
-pub struct NoHashHasherBuilder<T>(PhantomData<T>);
-
-impl<T> Default for NoHashHasherBuilder<T> {
- fn default() -> Self {
- Self(Default::default())
- }
-}
-
-pub trait NoHashHashable {}
-impl NoHashHashable for usize {}
-impl NoHashHashable for u32 {}
-
-pub struct NoHashHasher(u64);
-
-impl<T: NoHashHashable> BuildHasher for NoHashHasherBuilder<T> {
- type Hasher = NoHashHasher;
- fn build_hasher(&self) -> Self::Hasher {
- NoHashHasher(0)
- }
-}
-
-impl Hasher for NoHashHasher {
- fn finish(&self) -> u64 {
- self.0
- }
-
- fn write(&mut self, _: &[u8]) {
- unimplemented!("NoHashHasher should only be used for hashing primitive integers")
- }
-
- fn write_u8(&mut self, i: u8) {
- self.0 = i as u64;
- }
-
- fn write_u16(&mut self, i: u16) {
- self.0 = i as u64;
- }
-
- fn write_u32(&mut self, i: u32) {
- self.0 = i as u64;
- }
-
- fn write_u64(&mut self, i: u64) {
- self.0 = i;
- }
-
- fn write_usize(&mut self, i: usize) {
- self.0 = i as u64;
- }
-
- fn write_i8(&mut self, i: i8) {
- self.0 = i as u64;
- }
-
- fn write_i16(&mut self, i: i16) {
- self.0 = i as u64;
- }
-
- fn write_i32(&mut self, i: i32) {
- self.0 = i as u64;
- }
-
- fn write_i64(&mut self, i: i64) {
- self.0 = i as u64;
- }
-
- fn write_isize(&mut self, i: isize) {
- self.0 = i as u64;
- }
-}