rust-clippy/tests/ui/implicit_hasher.stderr

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error: impl for `HashMap` should be generalized over different hashers
--> $DIR/implicit_hasher.rs:15:35
|
LL | impl<K: Hash + Eq, V> Foo<i8> for HashMap<K, V> {
| ^^^^^^^^^^^^^
|
= note: `-D clippy::implicit-hasher` implied by `-D warnings`
help: consider adding a type parameter
|
LL | impl<K: Hash + Eq, V, S: ::std::hash::BuildHasher + Default> Foo<i8> for HashMap<K, V, S> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^
help: ...and use generic constructor
|
LL | (HashMap::default(), HashMap::with_capacity_and_hasher(10, Default::default()))
| ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: impl for `HashMap` should be generalized over different hashers
--> $DIR/implicit_hasher.rs:24:36
|
LL | impl<K: Hash + Eq, V> Foo<i8> for (HashMap<K, V>,) {
| ^^^^^^^^^^^^^
|
help: consider adding a type parameter
|
LL | impl<K: Hash + Eq, V, S: ::std::hash::BuildHasher + Default> Foo<i8> for (HashMap<K, V, S>,) {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^
help: ...and use generic constructor
|
LL | ((HashMap::default(),), (HashMap::with_capacity_and_hasher(10, Default::default()),))
| ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: impl for `HashMap` should be generalized over different hashers
--> $DIR/implicit_hasher.rs:29:19
|
LL | impl Foo<i16> for HashMap<String, String> {
| ^^^^^^^^^^^^^^^^^^^^^^^
|
help: consider adding a type parameter
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LL | impl<S: ::std::hash::BuildHasher + Default> Foo<i16> for HashMap<String, String, S> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^
help: ...and use generic constructor
|
LL | (HashMap::default(), HashMap::with_capacity_and_hasher(10, Default::default()))
| ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: impl for `HashSet` should be generalized over different hashers
--> $DIR/implicit_hasher.rs:46:32
|
LL | impl<T: Hash + Eq> Foo<i8> for HashSet<T> {
| ^^^^^^^^^^
|
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> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^
help: ...and use generic constructor
|
LL | (HashSet::default(), HashSet::with_capacity_and_hasher(10, Default::default()))
| ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: impl for `HashSet` should be generalized over different hashers
--> $DIR/implicit_hasher.rs:51:19
|
LL | impl Foo<i16> for HashSet<String> {
| ^^^^^^^^^^^^^^^
|
help: consider adding a type parameter
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LL | impl<S: ::std::hash::BuildHasher + Default> Foo<i16> for HashSet<String, S> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^
help: ...and use generic constructor
|
LL | (HashSet::default(), HashSet::with_capacity_and_hasher(10, Default::default()))
| ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: parameter of type `HashMap` should be generalized over different hashers
--> $DIR/implicit_hasher.rs:68:23
|
LL | pub fn foo(_map: &mut HashMap<i32, i32>, _set: &mut HashSet<i32>) {}
| ^^^^^^^^^^^^^^^^^
|
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>) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^
error: parameter of type `HashSet` should be generalized over different hashers
--> $DIR/implicit_hasher.rs:68:53
|
LL | pub fn foo(_map: &mut HashMap<i32, i32>, _set: &mut HashSet<i32>) {}
| ^^^^^^^^^^^^
|
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>) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^
error: impl for `HashMap` should be generalized over different hashers
--> $DIR/implicit_hasher.rs:72:43
|
LL | impl<K: Hash + Eq, V> Foo<u8> for HashMap<K, V> {
| ^^^^^^^^^^^^^
...
LL | gen!(impl);
| ----------- in this macro invocation
|
= note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider adding a type parameter
|
LL | impl<K: Hash + Eq, V, S: ::std::hash::BuildHasher + Default> Foo<u8> for HashMap<K, V, S> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^
help: ...and use generic constructor
|
LL | (HashMap::default(), HashMap::with_capacity_and_hasher(10, Default::default()))
| ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: parameter of type `HashMap` should be generalized over different hashers
--> $DIR/implicit_hasher.rs:80:33
|
LL | pub fn $name(_map: &mut HashMap<i32, i32>, _set: &mut HashSet<i32>) {}
| ^^^^^^^^^^^^^^^^^
...
LL | gen!(fn bar);
| ------------- in this macro invocation
|
= note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider adding a type parameter
|
LL | pub fn $name<S: ::std::hash::BuildHasher>(_map: &mut HashMap<i32, i32, S>, _set: &mut HashSet<i32>) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^
error: parameter of type `HashSet` should be generalized over different hashers
--> $DIR/implicit_hasher.rs:80:63
|
LL | pub fn $name(_map: &mut HashMap<i32, i32>, _set: &mut HashSet<i32>) {}
| ^^^^^^^^^^^^
...
LL | gen!(fn bar);
| ------------- in this macro invocation
|
= note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider adding a type parameter
|
LL | pub fn $name<S: ::std::hash::BuildHasher>(_map: &mut HashMap<i32, i32>, _set: &mut HashSet<i32, S>) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^
error: aborting due to 10 previous errors