{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"//!"}]}
//! to everything owned by `x`, so the result is the same for something
//! we'll do the same. Naturally, this applies not just to the upvar, but
//! like `x.f = 5` and so on (presuming `x` is not a borrowed pointer to a