2018 roadmap #231

aturon · Mar 6, 2018

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aturon · Mar 6, 2018

cc @rust-lang/core

steveklabnik · Mar 6, 2018

steveklabnik reviewed Mar 6, 2018

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looks good, just a few comments

steveklabnik · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+---
+layout: post
+title: "Rust's 2018 roadmap"
+author: "Aaron Turon"


i don't want to say this is not by you, but should it be "from the core team?"

I don't care a ton, but something to think about.

steveklabnik · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+
+We will continue to publish releases every six weeks as usual. But we will
+designate a release in the latter third of the year (Rust 1.29 - 1.31) as the
+beginning of the Rust 2018 epoch. This “epoch release” will be the culmination


FWIW, I have been running the "era" wording past some people and they all vastly preferred it to "epoch"

Interesting! I like "era" as well, because it more strongly conveys the idea of a period of time rather than a point in time. "epoch" can mean that in the archaeology sense, but because of the use of "epoch" in computing (January 1, 1970), there's also a feeling of "point in time" or "start of a new point in time" instead. "era" doesn't have that problem.

steveklabnik · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+_both_ fresh and re-builds. Compiler performance should not be an obstacle to
+productivity in Rust 2018.
+
+


✂️ the excessive whitespace

steveklabnik · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+the epoch release.
+
+[Cargo build system integration]: https://github.com/rust-lang/rfcs/pull/2136
+[Xargo integration]: https://github.com/japaric/xargo


i think this should link to rust-lang/cargo#4959, as it's way less confusing

steveklabnik · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+specific domains of use. We’ve selected four such domains to invest in and
+highlight this year:
+
+- **Network services**. Rust’s reliability and low footprint make it an


should we link these names to their announcement posts, so if people want to get involved they have a foot in the door?

Mark-Simulacrum · Mar 6, 2018

Mark-Simulacrum reviewed Mar 6, 2018

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Left some nits. I sort of feel like it's missing something, but can't quite say what. Maybe a reflection on what we've already done? Otherwise though it looks great.

Mark-Simulacrum · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+
+## Entering the Rust 2018 epoch
+
+**This year, we will deliver _Rust 2018_, marking the first new era in Rust programming since 1.0**.


Maybe we can say "1.0, or Rust 2015”? That way it'll be easier to discuss this.

Mark-Simulacrum · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+of feature stabilization throughout the year, and will ship with polished
+documentation, tooling, and libraries that tie in to those features.
+
+The idea of “epochs” is to signify major steps in Rust’s evolution, where a


Hm, I thought we might be switching to "era" over epochs...

Mark-Simulacrum · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+### Compatibility across epochs
+
+**TL;DR: Rust will continue its stability guarantee
+of [hassle-free updates to new versions][stability]**.


I am not sure how this will render, but it looks somewhat odd.

Mark-Simulacrum · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+
+[stability]: https://blog.rust-lang.org/2014/10/30/Stability.html
+
+Epochs will have a meaning for the compiler. You will be able to write:


We should be consistent with epoch/era...

Mark-Simulacrum · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+epoch = "2018"
+```
+
+in your Cargo.toml to _opt in_ to the new epoch for your crate. Doing so may


Did we decide on a flag for rustc? Otherwise I think we'll get pushback from people who want to not use cargo.

cargo will indeed pass -C epoch=2018 to rustc (currently -Zepoch=2018)

Mark-Simulacrum · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+Rust], reaching print as well.
+
+[trpl]: https://doc.rust-lang.org/nightly/book/second-edition/
+[Programming Rust]: https://www.google.com/search?q=programming+rust&ie=utf-8&oe=utf-8&client=firefox-b-1-ab


This seems like the wrong URL?

Should probably be http://shop.oreilly.com/product/0636920040385.do

Mark-Simulacrum · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+code). We will continue to improve Cargo by stabilizing custom registries,
+public dependencies, and a revised profile system. We’re also expecting further
+work on [Cargo build system integration], [Xargo integration], and [custom test
+frameworks], though it’s unclear as yet which of these will be complete prior to


Which -> how many, let's be positive

Mark-Simulacrum · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+  produce static binaries come together to great effect for writing CLI apps.
+- **WebAssembly**. The “wasm” web standard allows shipping native-like binaries
+  to all major browsers, but GC support is still years away. Rust
+  is [extremely well positioned](https://mgattozzi.com/rust-wasm) to target this


Hm, I feel like maybe a more "official" post might be better? Maybe we can promote this to blog.r-l.o at least for url stability reasons?

Mark-Simulacrum · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+- **Ecosystem** WG: We'll be providing guidance and support to important crates throughout the ecosystem. Drop into the [WG-ecosystem room](https://gitter.im/rust-lang/WG-ecosystem) and we'll guide you to places that need help!
+- **Dev Tools Team**. There are always interesting things to tackle with developer tools  (IDEs, rustdoc, Clippy, Rustfmt, custom test frameworks, and more). Drop in to [#rust-dev-tools](https://paper.dropbox.com/?q=%23rust-dev-tools) and have a chat with the team!
+- **Rustdoc Team**. With your help, we can make documentation better for everyone. Come join us in #rustdoc on IRC, and we can help you get started!
+- **Release team**. Drop by [#rust-release](https://paper.dropbox.com/?q=%23rust-release) on IRC to get involved with regression triage and release production!


This is the wrong URL, and I'd probably avoid linking this at all perhaps.

QuietMisdreavus · Mar 6, 2018

QuietMisdreavus reviewed Mar 6, 2018

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QuietMisdreavus · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+- **Ecosystem** WG: We'll be providing guidance and support to important crates throughout the ecosystem. Drop into the [WG-ecosystem room](https://gitter.im/rust-lang/WG-ecosystem) and we'll guide you to places that need help!
+- **Dev Tools Team**. There are always interesting things to tackle with developer tools  (IDEs, rustdoc, Clippy, Rustfmt, custom test frameworks, and more). Drop in to [#rust-dev-tools](https://paper.dropbox.com/?q=%23rust-dev-tools) and have a chat with the team!
+- **Rustdoc Team**. With your help, we can make documentation better for everyone. Come join us in #rustdoc on IRC, and we can help you get started!
+- **Release team**. Drop by [#rust-release](https://paper.dropbox.com/?q=%23rust-release) on IRC to get involved with regression triage and release production!


The IRC links here point to Dropbox Paper >_>

nagisa · Mar 6, 2018

nagisa reviewed Mar 6, 2018

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nagisa · Mar 6, 2018

_posts/2018-03-08-roadmap.md

@@ -0,0 +1,221 @@
+---
+layout: post
+title: "Rust's 2018 roadmap"


ultimate nit of all nits: This could have a nice unicode quotation mark, the same one that’s in the first heading two-three lines below :)

This is actually a yaml document, so the should be ascii quotation marks.

The apostrophe is what I had in mind. It should not be a part of YAML syntax.

nrc · Mar 6, 2018

nrc reviewed Mar 6, 2018

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Looks good. One thing that kind of bothered me is that what is a goal for 2018 and what is a goal for the 2018 epoch is a bit blurred and it surprised me a bit when reading. I think it would be good to either say explicitly that they are the same thing, or to be a bit stricter about what is an epoch goal, and what is not.

nrc · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+## Community
+
+**Connect and empower Rust's global community**. We will pursue
+internationalization (specifically: translation) as a first-class concern, and


"internationalization (specifically: translation)" is not very clear to me - do you mean adding internationalisation support to the language to facilitate translation or internationalising things like compiler messages and documentation by translating them?

nrc · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+- **CLI WG**. Writing CLI apps in Rust should be a frictionless experience  – from finding the right libraries and writing concise integration tests up to cross-platform distribution. Join us at [https://github.com/rust-lang-nursery/cli-wg](https://github.com/rust-lang-nursery/cli-wg) and help us reach that goal!
+- **Embedded Devices WG**. Quality, productivity, accessibility: Rust can change the embedded industry for the better. Let's get this process started in 2018! Join us at [https://github.com/rust-lang-nursery/embedded-wg](https://github.com/rust-lang-nursery/embedded-wg)
+- **Ecosystem** WG: We'll be providing guidance and support to important crates throughout the ecosystem. Drop into the [WG-ecosystem room](https://gitter.im/rust-lang/WG-ecosystem) and we'll guide you to places that need help!
+- **Dev Tools Team**. There are always interesting things to tackle with developer tools  (IDEs, rustdoc, Clippy, Rustfmt, custom test frameworks, and more). Drop in to [#rust-dev-tools](https://paper.dropbox.com/?q=%23rust-dev-tools) and have a chat with the team!


We should add Cargo to the list of tools to work on

fitzgen · Mar 6, 2018

fitzgen reviewed Mar 6, 2018

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fitzgen · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+
+### Tooling improvements
+
+Rust 2018 will see high quality 1.0 releases of the RLS (underlying much of our


Suggest:

Rust Language Server (RLS)

instead of just "RLS".

fitzgen · Mar 6, 2018

fitzgen reviewed Mar 6, 2018

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fitzgen · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+### Tooling improvements
+
+Rust 2018 will see high quality 1.0 releases of the RLS (underlying much of our
+IDE integration story) and rustfmt (a standard formatting tool for Rust


Should "rustfmt" be in a <code>, like rustfmt?

Both "RLS" and "rustfmt" could use links to satisfy people's curiosity as to the scope of the projects.

fitzgen · Mar 6, 2018

fitzgen reviewed Mar 6, 2018

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fitzgen · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+- **WebAssembly WG**. Compiling Rust to WebAssembly should be _the_ best choice for fast code on the Web. Check out [rust-lang-nursery/rust-wasm](https://github.com/rust-lang-nursery/rust-wasm) to learn more and get involved!
+- **CLI WG**. Writing CLI apps in Rust should be a frictionless experience  – from finding the right libraries and writing concise integration tests up to cross-platform distribution. Join us at [https://github.com/rust-lang-nursery/cli-wg](https://github.com/rust-lang-nursery/cli-wg) and help us reach that goal!
+- **Embedded Devices WG**. Quality, productivity, accessibility: Rust can change the embedded industry for the better. Let's get this process started in 2018! Join us at [https://github.com/rust-lang-nursery/embedded-wg](https://github.com/rust-lang-nursery/embedded-wg)
+- **Ecosystem** WG: We'll be providing guidance and support to important crates throughout the ecosystem. Drop into the [WG-ecosystem room](https://gitter.im/rust-lang/WG-ecosystem) and we'll guide you to places that need help!


Other "WG"s are bold, but this one is not.

killercup · Mar 6, 2018

killercup reviewed Mar 6, 2018

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killercup · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+Rust], reaching print as well.
+
+[trpl]: https://doc.rust-lang.org/nightly/book/second-edition/
+[Programming Rust]: https://www.google.com/search?q=programming+rust&ie=utf-8&oe=utf-8&client=firefox-b-1-ab


Should probably be http://shop.oreilly.com/product/0636920040385.do

killercup · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+-   **Ownership system improvements**, including making borrowing more flexible
+    via “non-lexical lifetimes”, improved pattern matching integration, and
+    more.
+-   **Trait system improvements**, including the long-awaited impl Trait syntax


maybe put "impl Trait" in back ticks

killercup · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+[blitz]: https://blog.rust-lang.org/2017/05/05/libz-blitz.html
+[Rust API guidelines book]: https://github.com/rust-lang-nursery/api-guidelines
+
+**Web site improvements**


Shouldn't this be a 2nd level headline, too?

killercup · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+irc.mozilla.org network.
+
+- **WebAssembly WG**. Compiling Rust to WebAssembly should be _the_ best choice for fast code on the Web. Check out [rust-lang-nursery/rust-wasm](https://github.com/rust-lang-nursery/rust-wasm) to learn more and get involved!
+- **CLI WG**. Writing CLI apps in Rust should be a frictionless experience  – from finding the right libraries and writing concise integration tests up to cross-platform distribution. Join us at [https://github.com/rust-lang-nursery/cli-wg](https://github.com/rust-lang-nursery/cli-wg) and help us reach that goal!


Can you fix the double space and adjust the link to [rust-lang-nursery/cli-wg](https://github.com/rust-lang-nursery/cli-wg)? Thanks! :)

killercup · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+- **WebAssembly WG**. Compiling Rust to WebAssembly should be _the_ best choice for fast code on the Web. Check out [rust-lang-nursery/rust-wasm](https://github.com/rust-lang-nursery/rust-wasm) to learn more and get involved!
+- **CLI WG**. Writing CLI apps in Rust should be a frictionless experience  – from finding the right libraries and writing concise integration tests up to cross-platform distribution. Join us at [https://github.com/rust-lang-nursery/cli-wg](https://github.com/rust-lang-nursery/cli-wg) and help us reach that goal!
+- **Embedded Devices WG**. Quality, productivity, accessibility: Rust can change the embedded industry for the better. Let's get this process started in 2018! Join us at [https://github.com/rust-lang-nursery/embedded-wg](https://github.com/rust-lang-nursery/embedded-wg)
+- **Ecosystem** WG: We'll be providing guidance and support to important crates throughout the ecosystem. Drop into the [WG-ecosystem room](https://gitter.im/rust-lang/WG-ecosystem) and we'll guide you to places that need help!


WG not bold (inconsistent)

petrochenkov · Mar 6, 2018

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petrochenkov · Mar 6, 2018

_posts/2018-03-08-roadmap.md

+-   **Trait system improvements**, including the long-awaited impl Trait syntax
+    for dealing with types abstractly.
+-   **Module system improvements**, focused on increasingly clarity and reducing
+    complexity.


The non-marketing version: Experimentation with module system is happening, nobody knows how it will affect learnability, clarity and complexity.

jonathandturner · Mar 7, 2018

Just to copy over a comment from an earlier draft: would love to see sample code in here. This roadmap gives us a chance to jump start people looking forward to the epoch, and to catch the eye of people who haven't seen Rust in a while.

Let's show 'em what it'll be able to do 😄

jonathandturner · Mar 7, 2018

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jonathandturner · Mar 7, 2018

_posts/2018-03-08-roadmap.md

+- **Network services**. Rust’s reliability and low footprint make it an
+  excellent match for network services and infrastructure, especially at high
+  scale.
+- **CLI apps**. Rust’s portability, reliability, ergonomics, and ability to


Let's expand CLI before we use the acronym, as not everyone will be familiar with it

jonathandturner · Mar 7, 2018

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jonathandturner · Mar 7, 2018

_posts/2018-03-08-roadmap.md

+IDE integration story) and rustfmt (a standard formatting tool for Rust
+code). We will continue to improve Cargo by stabilizing custom registries,
+public dependencies, and a revised profile system. We’re also expecting further
+work on [Cargo build system integration], [Xargo integration], and [custom test


The "Xargo integration" is going to be a merger right? Maybe "merging with Xargo".

aturon · Mar 7, 2018

https://internals.rust-lang.org/t/epoch-vs-era/6941 re: epoch/era naming.

bstrie · Mar 7, 2018

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bstrie · Mar 7, 2018

_posts/2018-03-08-roadmap.md

+    programming support.
+
+In addition, we anticipate a few more major features to stabilize prior to the
+epoch release, including **SIMD**, **custom allocators**, and **macros 2.0**.


These bolded terms might be asking for links to RFCs/tracking issues.

liigo · Mar 9, 2018

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liigo · Mar 9, 2018

_posts/2018-03-08-roadmap.md

+[Programming Rust]: https://www.google.com/search?q=programming+rust&ie=utf-8&oe=utf-8&client=firefox-b-1-ab
+[Rust By Example]: https://rustbyexample.com/
+
+**Language improvements**


should be "### Language improvements"

aturon · Mar 11, 2018

I've pushed an update which addresses the vast majority of comments here, and renames from "epoch" to "edition".

glaebhoerl · Mar 11, 2018

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glaebhoerl · Mar 11, 2018

_posts/2018-03-12-roadmap.md

+  via “non-lexical lifetimes”, improved pattern matching integration, and more.
+- **Trait system improvements**, including the long-awaited `impl Trait` syntax
+  for dealing with types abstractly.
+- **Module system improvements**, focused on increasingly clarity and reducing


2018 roadmap

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Edits from reviews, and renaming from 'epoch' to 'edition'

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