rust/tests/ui/implicit_hasher.stderr

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error: impl for `HashMap` should be generalized over different hashers
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--> $DIR/implicit_hasher.rs:11:35
|
11 | impl<K: Hash + Eq, V> Foo<i8> for HashMap<K, V> {
| ^^^^^^^^^^^^^
|
= note: `-D implicit-hasher` implied by `-D warnings`
help: consider adding a type parameter
|
11 | 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
|
17 | (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
|
20 | impl<K: Hash + Eq, V> Foo<i8> for (HashMap<K, V>,) {
| ^^^^^^^^^^^^^
help: consider adding a type parameter
|
20 | 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
|
22 | ((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
|
25 | impl Foo<i16> for HashMap<String, String> {
| ^^^^^^^^^^^^^^^^^^^^^^^
help: consider adding a type parameter
|
25 | 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
|
27 | (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:43:32
|
43 | impl<T: Hash + Eq> Foo<i8> for HashSet<T> {
| ^^^^^^^^^^
help: consider adding a type parameter
|
43 | 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
|
45 | (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:48:19
|
48 | impl Foo<i16> for HashSet<String> {
| ^^^^^^^^^^^^^^^
help: consider adding a type parameter
|
48 | 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
|
50 | (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:65:23
|
65 | pub fn foo(_map: &mut HashMap<i32, i32>, _set: &mut HashSet<i32>) {
| ^^^^^^^^^^^^^^^^^
help: consider adding a type parameter
|
65 | 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:65:53
|
65 | pub fn foo(_map: &mut HashMap<i32, i32>, _set: &mut HashSet<i32>) {
| ^^^^^^^^^^^^
help: consider adding a type parameter
|
65 | 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:70:43
|
70 | impl<K: Hash + Eq, V> Foo<u8> for HashMap<K, V> {
| ^^^^^^^^^^^^^
...
83 | gen!(impl);
| ----------- in this macro invocation
help: consider adding a type parameter
|
70 | 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
|
72 | (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:78:33
|
78 | pub fn $name(_map: &mut HashMap<i32, i32>, _set: &mut HashSet<i32>) {
| ^^^^^^^^^^^^^^^^^
...
84 | gen!(fn bar);
| ------------- in this macro invocation
help: consider adding a type parameter
|
78 | 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:78:63
|
78 | pub fn $name(_map: &mut HashMap<i32, i32>, _set: &mut HashSet<i32>) {
| ^^^^^^^^^^^^
...
84 | gen!(fn bar);
| ------------- in this macro invocation
help: consider adding a type parameter
|
78 | 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