mirror of https://github.com/rust-lang/rust
28 lines
625 B
Rust
28 lines
625 B
Rust
//@ run-rustfix
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// Issue #109429
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use std::collections::hash_map::DefaultHasher;
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use std::collections::HashMap;
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use std::hash::BuildHasher;
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use std::hash::Hash;
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pub struct Hash128_1;
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impl BuildHasher for Hash128_1 {
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type Hasher = DefaultHasher;
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fn build_hasher(&self) -> DefaultHasher { DefaultHasher::default() }
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}
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#[allow(unused)]
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pub fn hashmap_copy<T, U>(
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map: &HashMap<T, U, Hash128_1>,
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) where T: Hash + Clone, U: Clone
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{
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let mut copy: Vec<U> = map.clone().into_values().collect(); //~ ERROR
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}
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pub fn make_map() -> HashMap<String, i64, Hash128_1>
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{
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HashMap::with_hasher(Hash128_1)
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}
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fn main() {}
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