this post was submitted on 08 Sep 2023
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Async Rust Is A Bad Language (bitbashing.io)
submitted 2 years ago by fil@programming.dev to c/rust@programming.dev
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[–] BB_C@programming.dev 1 points 2 years ago* (last edited 2 years ago)

fn foo(＆big, ＆chungus)

is out,

async fn foo(＆BIG_GLOBAL_STATIC_REF_OR_SIMILAR_HORROR, sendable_chungus.clone())

is in.

Or maybe you know

fn foo(＆big, ＆chungus)

is out

async fn foo(big, chungus) -> (big, chungus)

is in

Or

async fn foo(big, chungus) {
  // ...
  tx.send((big, chungus)).await?;
  // ...
}

is in

Moving (movable/sendable) data is not limited by number or direction, you know. And that second one even makes use of them great Hoare channels! And gives us control on how long we hold on to data before sending it back (modified or not). But I digress. Let's go back to the important talking point that Hoare was right!