syntax_data: {"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"//!"}]}
source_snippet: //! from them. This second body is stored alongside the first body, and optimized
context_before: //! borrowing from the outer closure, and we simply peel off a `deref` projection
context_after: //! with it in lockstep. When we need to resolve a body for `FnOnce` or `AsyncFnOnce`,