batch-impl 0.8.2

A proc-macro library for batch generating trait impls with a powerful DSL
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error: batch-impl: only `@trait` is allowed on the ItemImpl entry (`@` constants are not supported)
 --> tests/ui/implentry_at_const_banned.rs:4:1
  |
4 | #[batch_impl(W : @u*)]
  | ^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: this error originates in the attribute macro `batch_impl` (in Nightly builds, run with -Z macro-backtrace for more info)