this post was submitted on 13 Jun 2024
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Rust
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How does the
const { None }
example type-inference work? The size of the option type can't be known without knowing the type of theSome
variant.Edit: aha, it doesn't work as-is. It needs to infer the type of elements of
foo
from usage. https://play.rust-lang.org/?version=stable&mode=debug&edition=2021&gist=05a95c592626b6935ae812527aa6bbc6