batch-impl 0.7.2

A proc-macro library for batch generating trait impls with a powerful DSL
Documentation 
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error: batch-impl: spec list cannot start with `,`
 --> tests/ui/leading_comma.rs:4:1
  |
4 | #[batch_impl(,usize)]
  | ^^^^^^^^^^^^^^^^^^^^^
  |
  = note: this error originates in the attribute macro `batch_impl` (in Nightly builds, run with -Z macro-backtrace for more info)

error: batch-impl: missing operand between consecutive commas `,,` (e.g. `A,,B`)
 --> tests/ui/leading_comma.rs:7:20
  |
7 | #[batch_impl(usize,,isize)]
  |                    ^