Yhn LifeTravel first seen 14 h ago, last 41 min ago, peak #1
Rust's derive macro often implies inline
Original: Rust's derive often implies inline
A Rust developer has written up a little-known compiler behavior: applying a derive macro to a type frequently causes the generated impl blocks to be treated as if they were marked inline. The writeup explains what this means for code generation, compilation, and performance expectations, noting that many developers are unaware that derive output carries this hidden effect.
Why now: It reveals surprising hidden compiler behavior in a widely used language feature, which naturally interests Rust programmers.
Evidence
- Rust's derive often implies inline · woodruffw · 110
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