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Masaki Hara (qnighy@qnmd.info)'s status on Friday, 09-Nov-2018 21:57:23 JST Masaki Hara

https://boats.gitlab.io/blog/post/await-syntax/
boats氏のブログにてasync/awaitの構文について触れられている。現在は暫定的にawait!というマクロとして扱われているが、本当は専用の構文にしたい。ただawaitと?演算子の優先順位は難しい判断が求められる。まずは両方に前方互換な構文だけを許すのがいいだろうという結論
In conversation Friday, 09-Nov-2018 21:57:23 JST from qnmd.info permalink
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  Making progress in await syntax
  
  from withoutblogs
  
  One thing we’ve left as an unresolved question so far in the matter of async/await syntax is the exact final syntax for the await operation. In the current implementation, awaits are written using a compiler plugin: async fn foo() { await!(bar()); } This is not because of any technical limitation: the reason we have done this is that we have not decided on the precise, final syntax for the await operation.

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