combine-structs 0.1.1

Proc macros for compile-time struct field merging.
Documentation 
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error: custom attribute panicked
 --> tests/compile_fail/unknown_source.rs:3:1
  |
3 | #[combine_fields(DoesNotExist)]
  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = help: message: combine_fields: no cached fields for `DoesNotExist`.
          Make sure `DoesNotExist` derives `combine_structs::Fields` and its module is declared before the target struct.