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error: this call to `hash` on the unit type will do nothing
--> $DIR/unit_hash.rs:19:23
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LL | Foo::Empty => ().hash(&mut state),
| ^^^^^^^^^^^^^^^^^^^ help: remove the call to `hash` or consider using: `0_u8.hash(&mut state)`
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= note: `-D clippy::unit-hash` implied by `-D warnings`
= note: the implementation of `Hash` for `()` is a no-op
error: this call to `hash` on the unit type will do nothing
--> $DIR/unit_hash.rs:24:5
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LL | res.hash(&mut state);
| ^^^^^^^^^^^^^^^^^^^^ help: remove the call to `hash` or consider using: `0_u8.hash(&mut state)`
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= note: the implementation of `Hash` for `()` is a no-op
error: this call to `hash` on the unit type will do nothing
--> $DIR/unit_hash.rs:27:5
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LL | do_nothing().hash(&mut state);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the call to `hash` or consider using: `0_u8.hash(&mut state)`
|
= note: the implementation of `Hash` for `()` is a no-op
error: aborting due to 3 previous errors
|
