rust-playground

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improvement: show peak mem usage and instructions executed count

1

it would be really cool to be able to get some feedback on whether changing some code had an effect on mem usage or instructions executed. I am guessing the...

gilescope

Keybindings not documented

1

I went to the Config menu and changed the keybindings to "sublime". But I have no idea how to eg. run the code with a keyboard shortcut now. Ctrl-Enter worked...

detly

Public API request: list of the top 100 crates that are currently available on the playground

1

To better implement a [crates.io feature to show a button linking to the playground to try a crate](https://github.com/rust-lang/crates.io/pull/3211), we'd like to have a public API available from the playground of...

carols10cents

Rust Playground doesn't deal with re-mapped keys correctly.

14

Hi, To cut a long story short, I use a Maltron keyboard to keep RSI at bay. It's a totally bonkers looking thing, but it works. I didn't like the...

vext01

HEAD requests return 'Method Not Allowed'

1

``` $ curl -I 'https://play.rust-lang.org/' HTTP/1.1 405 Method Not Allowed ``` According to [RFC 7231](https://tools.ietf.org/html/rfc7231#section-4.3.2), > The HEAD method is identical to GET except that the server MUST NOT send...

jyn514

I once got a 502 Bad Gateway and this is what was shown: >Response was not JSON: SyntaxError: Unexpected token < in JSON at position 0  A different message...

xehpuk

Would it be possible to allow users to opt into automatically running `rustfmt` before code is executed, or automatically after making changes, or provide a button to run it? I...

mvolkmann

I'm on MacOS, and swiping with two fingers left or right goes to the previous/next page. This interferes with horizontal scrolling in the editor. I am not a CSS expert,...

Schaeff

Add the ability to reset the editor buffer back to the original "hello world" state.

9

Hi, The rust playground remembers the last buffer you were working on. That's very useful, but sometimes I want to start afresh. I can't see a way to do this...

vext01

Cannot use `#[lang = "start"]` on playground

2

I am shocked - shocked! - to find that no one has tried this before. https://play.rust-lang.org/?version=nightly&mode=debug&edition=2018&gist=08a07ced4b7ba6afcdf8a4bd68487015 ``` error[E0152]: found duplicate lang item `start` --> src/lib.rs:7:1 | 7 | fn _start()...

jyn514