dyn Trait
HoldLanguages & Frameworks
Rust trait objects that enable runtime polymorphism through dynamic dispatch.
Why it's here
Placed in Hold: 1 article(s) of evidence from 1 source(s), led by research-stage coverage, with 0 in the last 30 days. Confidence 24%. Low accumulated evidence, so it defaults conservatively pending more signal.
Evidence (1)
- 4Hacker News·9/5/2026researchVisualizing Rust Vtables and dyn Trait Memory Layout
This article explains Rust polymorphism by comparing static dispatch with dynamic dispatch and then examining how `dyn Trait` works in memory. It walks through vtables, wide pointers, and Rust’s monomorphization model to build an intuition for how trait objects behave at runtime.