On: Perhaps Rust Needs "Defer"

[klauserc]

Would `Vec::into_boxed_slice` [1] be the answer here? It gives you a `Box<[Foo]>`, which doesn't have a capacity (it still knows its own length).

1: https://doc.rust-lang.org/std/vec/struct.Vec.html#method.int...

[aapoalas → klauserc]

Yup, it definitely would.