syntax_data: {"ast_node_type":"other","tokens":[{"end":3,"kind":"keyword","start":0,"text":"//!"}]}
source_snippet: //!
context_before: //! other fns cycle around. The handoff works like this:
context_after: //! - `into(place)` -> fallback is to create an rvalue with `as_rvalue` and assign it to `place`