Update on await syntax
In my previous post I said that the lang team would be making our final decision about the syntax of the await operator in the May 23 meeting. That was last Thursday, and we did reach a decision. In brief, we decided to go forward with the preliminary proposal I outlined earlier: a postfix dot syntax, future.await. For more background, in addition the previous post on my blog, you can read this wr
Zero Cost Abstractions
The idea of a zero cost abstraction is very important to certain programming languages, like Rust and C++, which intend to enable users to write programs with excellent performance profiles with relatively little effort. Since this idea is fundamental to the design of Rust and my work, I want to investigate, for a moment, what exactly a zero cost abstraction even is. The idea is summarized in its
A final proposal for await syntax
This is an announcement regarding the resolution of the syntax for the await operator in Rust. This is one of the last major unresolved questions blocking the stabilization of the async/await feature, a feature which will enable many more people to write non-blocking network services in Rust. This post contains information about the timeline for the final decision, a proposal from the language tea
Organizational Debt
We all know that classic aphorism: Year comes to an end, Rust blog post press send. This is mine. There are lots of cool technical improvements to Rust that I want the project to achieve this year, and a few in particular that I’m definitely going to be putting a lot of time into. But this blog post is going to talk about none of them. Instead, I want to talk about organizational debt, and how bad
Shifgrethor I: Garbage collection as a Rust library
I’m really excited to share with you an experiment that I’ve been working on for the past 5 or 6 weeks. It’s a Rust library called shifgrethor. shifgrethor implements a garbage collector in Rust with an API I believe to be properly memory safe. I’ll be going through all of the technical details in future blog posts, so I want to kick this series off with a high level overview of the project’s purp
Async Methods I: generic associated types
Async/await continues to move along swimmingly. We’ve accepted an RFC describing how the async/await syntax will work in Rust, and work is underway on implementing support for it in the compiler. We’re hopeful that users will be able to start experimenting with the syntax on nightly by early July. The RFC for async/await didn’t address one important thing: async methods. It is very important for p
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Async/Await I: Self-Referential Structs
This is the first in a series of blog posts about generators, async & await in Rust. By the end of this series, I will have a proposal for how we could expediently (within the next 12 months) bring generators, async & await to stable Rust, and resolve some of the most difficult ergonomics problems in the futures ecosystem. But that proposal is still several posts away. Before we can get to a concr
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