Rikki Gibson

@gohmiaoyu please let us know if there's any way we can assist here.

/azp run

I addressed your feedback @mavasani to try and help keep things moving. I will merge tomorrow assuming folks are ok with the current state of the PR.

Thank you for the contribution @gohmiaoyu and apologies for the long wait in getting it merged.

I was able to make it work with only the following additions to `settings.json` in my project: ```json { "mocha.files.glob": "./test/**/*.ts", "mocha.requires": ["ts-node/register"] } ``` The "compilers" setting is [deprecated](https://github.com/mochajs/mocha/wiki/compilers-deprecation)...

```cs using System; class Program { void M0(IFormattable format) { } void M0(string format) { } void M1() { M0($"a"); } // ok void M2(IFormattable[] format) { } void M2(string[]...

Triaging to 17.9 as we are no longer using Compiler.Next etc milestones. @jaredpar feel free to adjust if this milestone doesn't look right to you.

> @RikkiGibson I don't think 17.9 is right. I don't expect that we can address this in C# 12. No worries, feel free to re-triage as appropriate. I think the...

It feels like it may be a smooth transition from "special variable name" to "contextual keyword", most IDEs already colorize `value` similar to keywords and it feels like we would...

I thought one intended use of CollectionBuilder was to allow creation of ref structs from collection-exprs. Is that not the case? [SharpLab](https://sharplab.io/#v2:EYLgtghglgdgNAExAagD4AEBMBGAsAKHQAYACdbAOgCUBXGAFyjAFMKBhAezAAcoAbZgCcAykIBuUAMbMAzgG4CBANqc+AyYw4wAQjX4IhACnoBPbsw4AzQ1WEBKOCRgQWVm8PaDmEeszt2AXQJ0AGYSL0sSGXpBGg0SWxIAbwISNLIwxLYvH2YbbwQAeRg+E2FuCBgAHlh6AD4SKF8wGTsSAF4G+gALQQ4AdycaNQBCBXx0jLJsADYyABYSAFlDNpSJyfTEwRlsDpIlbEdMRxCA8cmAXwJLoA==) ```cs using System; using System.Runtime.CompilerServices; [CollectionBuilder(typeof(RS), nameof(RS.Create))] public...