batch-impl 0.5.5

A proc-macro library for batch generating trait impls with a powerful DSL
Documentation 
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error: batch-impl: 范围 `3..2` 为空（起始不小于结束），不会生成任何 impl
 --> tests/ui/empty_range.rs:4:1
  |
4 | #[batch_impl(()^3..2)]
  | ^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: this error originates in the attribute macro `batch_impl` (in Nightly builds, run with -Z macro-backtrace for more info)