patchable 0.5.9

Automatically derive patch types for Rust structs to enable efficient partial updates with zero runtime overhead
Documentation
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error: This derive macro can only be applied to structs
 --> tests/ui/derive_fail_non_struct.rs:4:1
  |
4 | / enum NotAStruct {
5 | |     Value(i32),
6 | | }
  | |_^