src/tools/clippy/tests/ui/implicit_hasher.stderr

   1 error: impl for `HashMap` should be generalized over different hashers
   2   --> $DIR/implicit_hasher.rs:11:35
   3    |
   4 11 | impl<K: Hash + Eq, V> Foo<i8> for HashMap<K, V> {
   5    |                                   ^^^^^^^^^^^^^
   6    |
   7    = note: `-D implicit-hasher` implied by `-D warnings`
   8 help: consider adding a type parameter
   9    |
  10 11 | impl<K: Hash + Eq, V, S: ::std::hash::BuildHasher + Default> Foo<i8> for HashMap<K, V, S> {
  11    |
  12 help: ...and use generic constructor
  13    |
  14 17 |         (HashMap::default(), HashMap::with_capacity_and_hasher(10, Default::default()))
  15    |
  16
  17 error: impl for `HashMap` should be generalized over different hashers
  18   --> $DIR/implicit_hasher.rs:20:36
  19    |
  20 20 | impl<K: Hash + Eq, V> Foo<i8> for (HashMap<K, V>,) {
  21    |                                    ^^^^^^^^^^^^^
  22    |
  23 help: consider adding a type parameter
  24    |
  25 20 | impl<K: Hash + Eq, V, S: ::std::hash::BuildHasher + Default> Foo<i8> for (HashMap<K, V, S>,) {
  26    |
  27 help: ...and use generic constructor
  28    |
  29 22 |         ((HashMap::default(),), (HashMap::with_capacity_and_hasher(10, Default::default()),))
  30    |
  31
  32 error: impl for `HashMap` should be generalized over different hashers
  33   --> $DIR/implicit_hasher.rs:25:19
  34    |
  35 25 | impl Foo<i16> for HashMap<String, String> {
  36    |                   ^^^^^^^^^^^^^^^^^^^^^^^
  37    |
  38 help: consider adding a type parameter
  39    |
  40 25 | impl<S: ::std::hash::BuildHasher + Default> Foo<i16> for HashMap<String, String, S> {
  41    |
  42 help: ...and use generic constructor
  43    |
  44 27 |         (HashMap::default(), HashMap::with_capacity_and_hasher(10, Default::default()))
  45    |
  46
  47 error: impl for `HashSet` should be generalized over different hashers
  48   --> $DIR/implicit_hasher.rs:43:32
  49    |
  50 43 | impl<T: Hash + Eq> Foo<i8> for HashSet<T> {
  51    |                                ^^^^^^^^^^
  52    |
  53 help: consider adding a type parameter
  54    |
  55 43 | impl<T: Hash + Eq, S: ::std::hash::BuildHasher + Default> Foo<i8> for HashSet<T, S> {
  56    |
  57 help: ...and use generic constructor
  58    |
  59 45 |         (HashSet::default(), HashSet::with_capacity_and_hasher(10, Default::default()))
  60    |
  61
  62 error: impl for `HashSet` should be generalized over different hashers
  63   --> $DIR/implicit_hasher.rs:48:19
  64    |
  65 48 | impl Foo<i16> for HashSet<String> {
  66    |                   ^^^^^^^^^^^^^^^
  67    |
  68 help: consider adding a type parameter
  69    |
  70 48 | impl<S: ::std::hash::BuildHasher + Default> Foo<i16> for HashSet<String, S> {
  71    |
  72 help: ...and use generic constructor
  73    |
  74 50 |         (HashSet::default(), HashSet::with_capacity_and_hasher(10, Default::default()))
  75    |
  76
  77 error: parameter of type `HashMap` should be generalized over different hashers
  78   --> $DIR/implicit_hasher.rs:65:23
  79    |
  80 65 | pub fn foo(_map: &mut HashMap<i32, i32>, _set: &mut HashSet<i32>) {
  81    |                       ^^^^^^^^^^^^^^^^^
  82    |
  83 help: consider adding a type parameter
  84    |
  85 65 | pub fn foo<S: ::std::hash::BuildHasher>(_map: &mut HashMap<i32, i32, S>, _set: &mut HashSet<i32>) {
  86    |
  87
  88 error: parameter of type `HashSet` should be generalized over different hashers
  89   --> $DIR/implicit_hasher.rs:65:53
  90    |
  91 65 | pub fn foo(_map: &mut HashMap<i32, i32>, _set: &mut HashSet<i32>) {
  92    |                                                     ^^^^^^^^^^^^
  93    |
  94 help: consider adding a type parameter
  95    |
  96 65 | pub fn foo<S: ::std::hash::BuildHasher>(_map: &mut HashMap<i32, i32>, _set: &mut HashSet<i32, S>) {
  97    |
  98
  99 error: impl for `HashMap` should be generalized over different hashers
 100   --> $DIR/implicit_hasher.rs:70:43
 101    |
 102 70 |         impl<K: Hash + Eq, V> Foo<u8> for HashMap<K, V> {
 103    |                                           ^^^^^^^^^^^^^
 104 ...
 105 83 | gen!(impl);
 106    | ----------- in this macro invocation
 107    |
 108 help: consider adding a type parameter
 109    |
 110 70 |         impl<K: Hash + Eq, V, S: ::std::hash::BuildHasher + Default> Foo<u8> for HashMap<K, V, S> {
 111    |
 112 help: ...and use generic constructor
 113    |
 114 72 |                 (HashMap::default(), HashMap::with_capacity_and_hasher(10, Default::default()))
 115    |
 116
 117 error: parameter of type `HashMap` should be generalized over different hashers
 118   --> $DIR/implicit_hasher.rs:78:33
 119    |
 120 78 |         pub fn $name(_map: &mut HashMap<i32, i32>, _set: &mut HashSet<i32>) {
 121    |                                 ^^^^^^^^^^^^^^^^^
 122 ...
 123 84 | gen!(fn bar);
 124    | ------------- in this macro invocation
 125    |
 126 help: consider adding a type parameter
 127    |
 128 78 |         pub fn $name<S: ::std::hash::BuildHasher>(_map: &mut HashMap<i32, i32, S>, _set: &mut HashSet<i32>) {
 129    |
 130
 131 error: parameter of type `HashSet` should be generalized over different hashers
 132   --> $DIR/implicit_hasher.rs:78:63
 133    |
 134 78 |         pub fn $name(_map: &mut HashMap<i32, i32>, _set: &mut HashSet<i32>) {
 135    |                                                               ^^^^^^^^^^^^
 136 ...
 137 84 | gen!(fn bar);
 138    | ------------- in this macro invocation
 139    |
 140 help: consider adding a type parameter
 141    |
 142 78 |         pub fn $name<S: ::std::hash::BuildHasher>(_map: &mut HashMap<i32, i32>, _set: &mut HashSet<i32, S>) {
 143    |
 144