Announcing the Keyword Generics Initiative | Inside Rust Blog

We (Oli, Niko, and Yosh) are excited to announce the start of the Keyword Generics Initiative, a new initiative 1 under the purview of the language team. We're officially just a few weeks old now, and in this post we want to briefly share why we've started this initiative, and share some insight on what we're about. A missing kind of generic One of Rust's defining features is the ability to write

[el7]

関数をasync版とsync版両方用意しなきゃいけない問題に、keyword genericsっていう関数がasyncかどうかを切り替えるフラグみたいなのを導入して対処するっていうpre-RFC

[noritada]

「async/non-async、const/non-constなど、修飾子あり/なしで関数が相互運用できず、ライブラリが両方サポートしたければ2倍の実装が必要になる」という問題の解決策としてのキーワードジェネリクス。RFCに向けて探索を開始。

[causeless]

"@qnighy 関数のasync版と非async版をひとつの定義にまとめるための新しいジェネリクスを考える計画とな" from https://twitter.com/i/web/status/1552268609153409024