Rust 1.27 is here! SIMD, “dyn Trait” and book search, among other improvements! 
https://blog.rust-lang.org/2018/06/21/Rust-1.27.html …
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Replying to @rustlang
Why did you choose to use the 'dyn' keyword in 'dyn Trait'
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Replying to @alfriadox
Because the underlying type is dynamic, at runtime. We considered a few options, and so that’s the one we ended up picking. It may not be perfect, but we had several roughly-as-good ideas, and had to pick one!
4:17 PM - 23 Jun 2018
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