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Rust용어_dyn Trait for trait objects- The Edition Guide코딩Coding/Rust용어 2020. 9. 20. 11:41728x90
https://doc.rust-lang.org/edition-guide/rust-2018/trait-system/dyn-trait-for-trait-objects.html
dyn Trait for trait objects - The Edition Guide
The dyn Trait feature is the new syntax for using trait objects. In short: Box becomes Box &Trait and &mut Trait become &dyn Trait and &mut dyn Trait And so on. In code: #![allow(unused)] fn main() { trait Trait {} impl Trait for i32 {} // old fn function1
doc.rust-lang.org
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