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That was discussed in a previous post, but yes that's why. And in Rust, the biggest postfix expression is the extremely common `?` operator, expected to be used

by Rusky 7y ago

That was discussed in a previous post, but yes that's why. And in Rust, the biggest postfix expression is the extremely common `?` operator, expected to be used with most futures.

eridius 7y ago
I haven't really been following along very much. I take it from your comment that await in Rust will not automatically propagate errors upwards like it does in JavaScript? So you have to use `foo.await?` in the normal case if you only want to handle successful results?
- Rusky 7y ago
  That's correct. In a sense Javascript await isn't the thing that propagates errors, that's just the language's usual exception behavior plumbed through the Promise.
  - eridius 7y ago
    That's actually a really good point, I never thought of it that way.