emplacable 0.1.0-alpha.12

Return unsized values from functions
Documentation 
# `emplacable`

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Return values of unsized types, like `[i32]` or `dyn Any`, from functions,
with a mechanism similar to placement new.

Written to support the [`unsized-vec`](https://crates.io/crates/unsized-vec) crate, but is independent of it.
Experimental, and requires nightly Rust.