subgroup_composite_enum_err.stderr

error: Missing #[repr(...)] attribute
   --> $DIR/subgroup_composite_enum_err.rs:
    |
LL | / pub enum NoRepr {
LL | |     #[default]
LL | |     A,
LL | |     B,
LL | |     C,
LL | | }
    | |_^

error: Multiple #[repr(...)] attributes found
   --> $DIR/subgroup_composite_enum_err.rs:
    |
LL | / #[repr(u32)]
LL | | #[repr(u16)]
LL | | #[derive(Copy, Clone, Default, ScalarComposite)]
LL | | pub enum TwoRepr {
...  |
LL | |     C,
LL | | }
    | |_^

error[E0412]: cannot find type `C` in this scope
   --> $DIR/subgroup_composite_enum_err.rs:
    |
LL | #[repr(C)]
    |        ^
LL | #[derive(Copy, Clone, Default, ScalarComposite)]
    |                                --------------- similarly named type parameter `F` defined here
    |
help: there is an enum variant `crate::CRepr::C` and 6 others; try using the variant's enum
    |
LL - #[repr(C)]
LL + #[repr(crate::CRepr)]
    |
LL - #[repr(C)]
LL + #[repr(crate::NoDefault)]
    |
LL - #[repr(C)]
LL + #[repr(crate::NoFrom)]
    |
LL - #[repr(C)]
LL + #[repr(crate::NoRepr)]
    |
    = and 2 other candidates
help: a type parameter with a similar name exists
    |
LL - #[repr(C)]
LL + #[repr(F)]
    |

error[E0566]: conflicting representation hints
   --> $DIR/subgroup_composite_enum_err.rs:
    |
LL | #[repr(u32)]
    |        ^^^
LL | #[repr(u16)]
    |        ^^^
    |
    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
    = note: for more information, see issue #68585 <https://github.com/rust-lang/rust/issues/68585>
    = note: `#[deny(conflicting_repr_hints)]` (part of `#[deny(future_incompatible)]`) on by default

error[E0277]: the trait bound `NoFrom: From<i32>` is not satisfied
   --> $DIR/subgroup_composite_enum_err.rs:
    |
LL | #[derive(Copy, Clone, Default, ScalarComposite)]
    |                                ^^^^^^^^^^^^^^^ unsatisfied trait bound
    |
help: the trait `From<i32>` is not implemented for `NoFrom`
   --> $DIR/subgroup_composite_enum_err.rs:
    |
LL | pub enum NoFrom {
    | ^^^^^^^^^^^^^^^
    = note: this error originates in the derive macro `ScalarComposite` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0277]: the trait bound `i32: From<NoFrom>` is not satisfied
   --> $DIR/subgroup_composite_enum_err.rs:
    |
LL | #[derive(Copy, Clone, Default, ScalarComposite)]
    |                                ^^^^^^^^^^^^^^^ the trait `From<NoFrom>` is not implemented for `i32`
    |
    = help: the following other types implement trait `From<T>`:
             `i32` implements `From<NoDefault>`
             `i32` implements `From<bool>`
             `i32` implements `From<i16>`
             `i32` implements `From<i8>`
             `i32` implements `From<u16>`
             `i32` implements `From<u8>`
    = note: required for `NoFrom` to implement `Into<i32>`
    = note: this error originates in the derive macro `ScalarComposite` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0277]: the trait bound `WrongFrom: From<i32>` is not satisfied
   --> $DIR/subgroup_composite_enum_err.rs:
    |
LL | #[derive(Copy, Clone, Default, ScalarComposite)]
    |                                ^^^^^^^^^^^^^^^ unsatisfied trait bound
    |
help: the trait `From<i32>` is not implemented for `WrongFrom`
      but trait `From<u32>` is implemented for it
   --> $DIR/subgroup_composite_enum_err.rs:
    |
LL |         impl From<$repr> for $ident {
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL | enum_repr_from!(WrongFrom, u32);
    | ------------------------------- in this macro invocation
    = help: for that trait implementation, expected `u32`, found `i32`
    = note: this error originates in the derive macro `ScalarComposite` which comes from the expansion of the macro `enum_repr_from` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0277]: the trait bound `i32: From<WrongFrom>` is not satisfied
   --> $DIR/subgroup_composite_enum_err.rs:
    |
LL | #[derive(Copy, Clone, Default, ScalarComposite)]
    |                                ^^^^^^^^^^^^^^^ the trait `From<WrongFrom>` is not implemented for `i32`
    |
    = help: the following other types implement trait `From<T>`:
             `i32` implements `From<NoDefault>`
             `i32` implements `From<bool>`
             `i32` implements `From<i16>`
             `i32` implements `From<i8>`
             `i32` implements `From<u16>`
             `i32` implements `From<u8>`
    = note: required for `WrongFrom` to implement `Into<i32>`
    = note: this error originates in the derive macro `ScalarComposite` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0599]: no variant or associated item named `default` found for enum `NoDefault` in the current scope
   --> $DIR/subgroup_composite_enum_err.rs:
    |
LL |                     _ => Self::default(),
    |                                ^^^^^^^ variant or associated item not found in `NoDefault`
...
LL | pub enum NoDefault {
    | ------------------ variant or associated item `default` not found for this enum
...
LL | enum_repr_from!(NoDefault, i32);
    | ------------------------------- in this macro invocation
    |
    = help: items from traits can only be used if the trait is implemented and in scope
    = note: the following trait defines an item `default`, perhaps you need to implement it:
           candidate #1: `Default`
    = note: this error originates in the macro `enum_repr_from` (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to 9 previous errors

Some errors have detailed explanations: E0277, E0412, E0566, E0599.
For more information about an error, try `rustc --explain E0277`.