90 lines
1.8 KiB
Rust
90 lines
1.8 KiB
Rust
#![warn(clippy::manual_hash_one)]
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#![allow(clippy::needless_borrows_for_generic_args)]
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use std::hash::{BuildHasher, Hash, Hasher};
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fn returned(b: impl BuildHasher) -> u64 {
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b.hash_one(&true)
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}
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fn unsized_receiver(b: impl BuildHasher, s: &str) {
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let _ = b.hash_one(&s[4..10]);
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}
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fn owned_value(b: impl BuildHasher, v: Vec<u32>) -> Vec<u32> {
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let _ = b.hash_one(&v);
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v
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}
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fn reused_hasher(b: impl BuildHasher) {
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let mut hasher = b.build_hasher();
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true.hash(&mut hasher);
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let _ = hasher.finish();
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let _ = hasher.finish();
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}
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fn reused_hasher_in_return(b: impl BuildHasher) -> u64 {
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let mut hasher = b.build_hasher();
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true.hash(&mut hasher);
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let _ = hasher.finish();
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hasher.finish()
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}
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fn no_hash(b: impl BuildHasher) {
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let mut hasher = b.build_hasher();
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let _ = hasher.finish();
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}
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fn hash_twice(b: impl BuildHasher) {
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let mut hasher = b.build_hasher();
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true.hash(&mut hasher);
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true.hash(&mut hasher);
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let _ = hasher.finish();
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}
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fn other_hasher(b: impl BuildHasher) {
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let mut other_hasher = b.build_hasher();
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let mut hasher = b.build_hasher();
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true.hash(&mut other_hasher);
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let _ = hasher.finish();
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}
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fn finish_then_hash(b: impl BuildHasher) {
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let mut hasher = b.build_hasher();
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let _ = hasher.finish();
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true.hash(&mut hasher);
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}
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fn in_macro(b: impl BuildHasher) {
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macro_rules! m {
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($b:expr) => {{
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let mut hasher = $b.build_hasher();
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true.hash(&mut hasher);
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let _ = hasher.finish();
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}};
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}
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m!(b);
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}
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#[clippy::msrv = "1.70"]
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fn msrv_1_70(b: impl BuildHasher, v: impl Hash) {
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let mut hasher = b.build_hasher();
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v.hash(&mut hasher);
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let _ = hasher.finish();
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}
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#[clippy::msrv = "1.71"]
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fn msrv_1_71(b: impl BuildHasher, v: impl Hash) {
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let _ = b.hash_one(&v);
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}
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