Re: [Qemu-devel] [Qemu-block] [RFC for-3.0 0/4] block: Add qcow2-rust block driver

[Stefan Hajnoczi]

On Sat, Apr 01, 2017 at 05:57:47PM +0200, Max Reitz wrote:
> The issues of using C are well understood and nobody likes it. Let's use
> a better language. C++ is not a better language, Rust is. Everybody
> loves Rust. Rust is good. Rust is hip. It will attract developers, it
> will improve code quality, it will improve performance, it will even
> improve your marriage. Rust is the future and the future is now.
> 
> As the block layer, let's show our commitment to the future by replacing
> one of our core parts, the the LEGACY (Bah! Yuck! Ugh!) qcow2 driver, by
> a shiny (Oooh! Aaah!) Rust driver. Much better. My VMs now run thrice as
> fast. Promise.

This is actually a good exercise.

Did you feel like there were places where Rust allowed you to express
things better than C?

I like pattern matching, wish C had it.

Stefan

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