Rust's Trait Objects: Vtables, Dynamic Dispatch, and Memory Management

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Explore how Rust leverages trait objects and vtables for dynamic dispatch while supporting the freeing of dyn objects.

This article dives into:

  • How Tail Call Optimization (TCO) eliminates stack frames for better performance.
  • How Trait Objects are passed to a function.
  • The role of vtables in storing method addresses for trait objects.
  • Memory deallocation for Box<dyn Trait> via destructors and __rust_dealloc.
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