mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-18 02:38:28 +00:00
27 lines
479 B
Rust
27 lines
479 B
Rust
#![warn(clippy::unit_hash)]
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use std::collections::hash_map::DefaultHasher;
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use std::hash::Hash;
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enum Foo {
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Empty,
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WithValue(u8),
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}
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fn do_nothing() {}
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fn main() {
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let mut state = DefaultHasher::new();
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let my_enum = Foo::Empty;
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match my_enum {
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Foo::Empty => ().hash(&mut state),
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Foo::WithValue(x) => x.hash(&mut state),
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}
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let res = ();
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res.hash(&mut state);
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#[allow(clippy::unit_arg)]
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do_nothing().hash(&mut state);
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}
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