batch-impl 0.5.6

A proc-macro library for batch generating trait impls with a powerful DSL
Documentation 
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error: batch-impl: 指令参数不能为空
 --> tests/ui/minus_empty.rs:4:1
  |
4 | #[batch_impl(usize #fill(#all,-#all){0})]
  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: this error originates in the attribute macro `batch_impl` (in Nightly builds, run with -Z macro-backtrace for more info)