Decide between declarative and procedural Rust macros and implement hygienic, well-tested macros that reduce boilerplate cleanly.
## CONTEXT Macros let Rust generate code at compile time, eliminating boilerplate that traits and generics cannot. There are two families: declarative macros written with macro_rules, which match token patterns and are great for small repetitive constructs, and procedural macros, which are separate crates that…
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