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

   1 error: an implementation of `From` is preferred since it gives you `Into<_>` for free where the reverse isn't true
   2   --> $DIR/from_over_into.rs:8:1
   3    |
   4 LL | impl Into<StringWrapper> for String {
   5    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   6    |
   7    = note: `-D clippy::from-over-into` implied by `-D warnings`
   8    = help: to override `-D warnings` add `#[allow(clippy::from_over_into)]`
   9 help: replace the `Into` implementation with `From<std::string::String>`
  10    |
  11 LL ~ impl From<String> for StringWrapper {
  12 LL ~     fn from(val: String) -> Self {
  13 LL ~         StringWrapper(val)
  14    |
  15
  16 error: an implementation of `From` is preferred since it gives you `Into<_>` for free where the reverse isn't true
  17   --> $DIR/from_over_into.rs:16:1
  18    |
  19 LL | impl Into<SelfType> for String {
  20    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  21    |
  22 help: replace the `Into` implementation with `From<std::string::String>`
  23    |
  24 LL ~ impl From<String> for SelfType {
  25 LL ~     fn from(val: String) -> Self {
  26 LL ~         SelfType(String::new())
  27    |
  28
  29 error: an implementation of `From` is preferred since it gives you `Into<_>` for free where the reverse isn't true
  30   --> $DIR/from_over_into.rs:31:1
  31    |
  32 LL | impl Into<SelfKeywords> for X {
  33    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  34    |
  35 help: replace the `Into` implementation with `From<X>`
  36    |
  37 LL ~ impl From<X> for SelfKeywords {
  38 LL ~     fn from(val: X) -> Self {
  39 LL ~         let _ = X;
  40 LL ~         let _ = X::FOO;
  41 LL ~         let _: X = val;
  42    |
  43
  44 error: an implementation of `From` is preferred since it gives you `Into<_>` for free where the reverse isn't true
  45   --> $DIR/from_over_into.rs:43:1
  46    |
  47 LL | impl core::convert::Into<bool> for crate::ExplicitPaths {
  48    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  49    |
  50    = help: `impl From<Local> for Foreign` is allowed by the orphan rules, for more information see
  51            https://doc.rust-lang.org/reference/items/implementations.html#trait-implementation-coherence
  52 help: replace the `Into` implementation with `From<ExplicitPaths>`
  53    |
  54 LL ~ impl core::convert::From<crate::ExplicitPaths> for bool {
  55 LL ~     fn from(mut val: crate::ExplicitPaths) -> Self {
  56 LL ~         let in_closure = || val.0;
  57 LL |
  58 LL ~         val.0 = false;
  59 LL ~         val.0
  60    |
  61
  62 error: an implementation of `From` is preferred since it gives you `Into<_>` for free where the reverse isn't true
  63   --> $DIR/from_over_into.rs:63:1
  64    |
  65 LL | impl Into<String> for PathInExpansion {
  66    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  67    |
  68    = help: `impl From<Local> for Foreign` is allowed by the orphan rules, for more information see
  69            https://doc.rust-lang.org/reference/items/implementations.html#trait-implementation-coherence
  70 help: replace the `Into` implementation with `From<PathInExpansion>`
  71    |
  72 LL ~ impl From<PathInExpansion> for String {
  73 LL ~     fn from(val: PathInExpansion) -> Self {
  74    |
  75
  76 error: an implementation of `From` is preferred since it gives you `Into<_>` for free where the reverse isn't true
  77   --> $DIR/from_over_into.rs:85:5
  78    |
  79 LL |     impl<T> Into<FromOverInto<T>> for Vec<T> {
  80    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  81    |
  82 help: replace the `Into` implementation with `From<std::vec::Vec<T>>`
  83    |
  84 LL ~     impl<T> From<Vec<T>> for FromOverInto<T> {
  85 LL ~         fn from(val: Vec<T>) -> Self {
  86 LL ~             FromOverInto(val)
  87    |
  88
  89 error: aborting due to 6 previous errors
  90