syntax_data: {"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"//!"}]}
source_snippet: //! a type that is not `Copy`, then using any of these functions will
context_before: //! you want one of the following functions. Note that if the expr has
context_after: //! "move" the value out of its current home (if any).