batch-impl 0.7.2

A proc-macro library for batch generating trait impls with a powerful DSL
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error: batch-impl: in directive arguments, after `-` expected an identifier or `[...]` list (e.g. `-foo`, `-[a,b]`)
 --> tests/ui/minus_bad_target.rs:4:1
  |
4 | #[batch_impl(usize #fill(a, -){0})]
  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: this error originates in the attribute macro `batch_impl` (in Nightly builds, run with -Z macro-backtrace for more info)