syntax_data: {"ast_node_type":"other","tokens":[{"end":101,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                     // The generated MIR will have `StorageDead` whenever the control flow breaks out
context_before:                     // any drop yet- they are scheduled later after the pattern matching.
context_after:                     // of the parent scope, regardless of the result of the pattern matching.