Ixrec

• Feature Name: dyn-trait-syntax
• Start Date: 2017-??-??
• RFC PR: (leave this empty)
• Rust Issue: (leave this empty)

Summary

Introduce a new dyn Trait syntax for trait objects using a contextual dyn keyword, and deprecate "bare trait" syntax for trait objects. In a future checkpoint, dyn will become a proper keyword and bare trait syntax will be removed.

Ixrec

C:\faster-sort>rustup run nightly cargo bench
   Compiling libc v0.2.17
   Compiling rand v0.3.14
   Compiling faster-sort v0.1.0 (file:///C:/faster-sort)
warning: unused import: `std::cmp`, #[warn(unused_imports)] on by default
 --> src\lib.rs:8:5
  |
8 | use std::cmp;
  |     ^^^^^^^^