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38d4ac7cea
Discussion previously happened in https://github.com/rust-lang/rust/pull/43498
138 lines
6.3 KiB
Plaintext
138 lines
6.3 KiB
Plaintext
error: impl for `HashMap` should be generalized over different hashers
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--> $DIR/implicit_hasher.rs:11:35
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LL | impl<K: Hash + Eq, V> Foo<i8> for HashMap<K, V> {
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| ^^^^^^^^^^^^^
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= note: `-D clippy::implicit-hasher` implied by `-D warnings`
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help: consider adding a type parameter
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LL | impl<K: Hash + Eq, V, S: ::std::hash::BuildHasher + Default> Foo<i8> for HashMap<K, V, S> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^
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help: ...and use generic constructor
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LL | (HashMap::default(), HashMap::with_capacity_and_hasher(10, Default::default()))
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| ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: impl for `HashMap` should be generalized over different hashers
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--> $DIR/implicit_hasher.rs:20:36
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LL | impl<K: Hash + Eq, V> Foo<i8> for (HashMap<K, V>,) {
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| ^^^^^^^^^^^^^
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help: consider adding a type parameter
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LL | impl<K: Hash + Eq, V, S: ::std::hash::BuildHasher + Default> Foo<i8> for (HashMap<K, V, S>,) {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^
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help: ...and use generic constructor
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LL | ((HashMap::default(),), (HashMap::with_capacity_and_hasher(10, Default::default()),))
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| ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: impl for `HashMap` should be generalized over different hashers
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--> $DIR/implicit_hasher.rs:25:19
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LL | impl Foo<i16> for HashMap<String, String> {
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| ^^^^^^^^^^^^^^^^^^^^^^^
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help: consider adding a type parameter
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LL | impl<S: ::std::hash::BuildHasher + Default> Foo<i16> for HashMap<String, String, S> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: ...and use generic constructor
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LL | (HashMap::default(), HashMap::with_capacity_and_hasher(10, Default::default()))
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| ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: impl for `HashSet` should be generalized over different hashers
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--> $DIR/implicit_hasher.rs:42:32
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LL | impl<T: Hash + Eq> Foo<i8> for HashSet<T> {
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| ^^^^^^^^^^
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help: consider adding a type parameter
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LL | impl<T: Hash + Eq, S: ::std::hash::BuildHasher + Default> Foo<i8> for HashSet<T, S> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^
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help: ...and use generic constructor
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LL | (HashSet::default(), HashSet::with_capacity_and_hasher(10, Default::default()))
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| ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: impl for `HashSet` should be generalized over different hashers
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--> $DIR/implicit_hasher.rs:47:19
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LL | impl Foo<i16> for HashSet<String> {
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| ^^^^^^^^^^^^^^^
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help: consider adding a type parameter
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LL | impl<S: ::std::hash::BuildHasher + Default> Foo<i16> for HashSet<String, S> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^
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help: ...and use generic constructor
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LL | (HashSet::default(), HashSet::with_capacity_and_hasher(10, Default::default()))
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| ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: parameter of type `HashMap` should be generalized over different hashers
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--> $DIR/implicit_hasher.rs:64:23
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LL | pub fn foo(_map: &mut HashMap<i32, i32>, _set: &mut HashSet<i32>) {}
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| ^^^^^^^^^^^^^^^^^
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help: consider adding a type parameter
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LL | pub fn foo<S: ::std::hash::BuildHasher>(_map: &mut HashMap<i32, i32, S>, _set: &mut HashSet<i32>) {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^
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error: parameter of type `HashSet` should be generalized over different hashers
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--> $DIR/implicit_hasher.rs:64:53
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LL | pub fn foo(_map: &mut HashMap<i32, i32>, _set: &mut HashSet<i32>) {}
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| ^^^^^^^^^^^^
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help: consider adding a type parameter
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LL | pub fn foo<S: ::std::hash::BuildHasher>(_map: &mut HashMap<i32, i32>, _set: &mut HashSet<i32, S>) {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^
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error: impl for `HashMap` should be generalized over different hashers
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--> $DIR/implicit_hasher.rs:68:43
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LL | impl<K: Hash + Eq, V> Foo<u8> for HashMap<K, V> {
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| ^^^^^^^^^^^^^
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...
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LL | gen!(impl);
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| ----------- in this macro invocation
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help: consider adding a type parameter
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LL | impl<K: Hash + Eq, V, S: ::std::hash::BuildHasher + Default> Foo<u8> for HashMap<K, V, S> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^
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help: ...and use generic constructor
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LL | (HashMap::default(), HashMap::with_capacity_and_hasher(10, Default::default()))
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| ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: parameter of type `HashMap` should be generalized over different hashers
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--> $DIR/implicit_hasher.rs:76:33
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LL | pub fn $name(_map: &mut HashMap<i32, i32>, _set: &mut HashSet<i32>) {}
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| ^^^^^^^^^^^^^^^^^
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...
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LL | gen!(fn bar);
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| ------------- in this macro invocation
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help: consider adding a type parameter
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LL | pub fn $name<S: ::std::hash::BuildHasher>(_map: &mut HashMap<i32, i32, S>, _set: &mut HashSet<i32>) {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^
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error: parameter of type `HashSet` should be generalized over different hashers
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--> $DIR/implicit_hasher.rs:76:63
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LL | pub fn $name(_map: &mut HashMap<i32, i32>, _set: &mut HashSet<i32>) {}
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| ^^^^^^^^^^^^
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...
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LL | gen!(fn bar);
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| ------------- in this macro invocation
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help: consider adding a type parameter
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LL | pub fn $name<S: ::std::hash::BuildHasher>(_map: &mut HashMap<i32, i32>, _set: &mut HashSet<i32, S>) {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^
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error: aborting due to 10 previous errors
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