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: `impl{...}` template cannot destructure the target type (a variadic segment (`ident@..`) is only supported as a tuple element inside an `impl{...}` template)
 --> tests/ui/impl_shape_varseg_outside_tuple.rs:4:1
  |
4 | #[batch_impl(u8 impl{A@..} { fn n(&self) -> usize { 0 } })]
  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: this error originates in the attribute macro `batch_impl` (in Nightly builds, run with -Z macro-backtrace for more info)