# Objective Simplify the code by using `macro_rules` instead of a proc macro where possible. ## Solution Replace `impl_param_set` proc macro with a `macro_rules` macro. |
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| .. | ||
| component.rs | ||
| lib.rs | ||
| query_data.rs | ||
| query_filter.rs | ||
| states.rs | ||
| world_query.rs | ||