title: What sorting algorithm does Rust's built-in `sort` use?
body: <p>What algorithm is the <a href="https://doc.rust-lang.org/stable/std/primitive.slice.html#method.sort" rel="nofollow noreferrer">built-in <code>[T]::sort</code> method</a> using? Is it possible to have a look at the code for that method?</p>