syntax_data: {"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                 // `StatementKind::Assign`, see if it ends up getting used as
context_before:                 // If this Rvalue is being used as the right-hand side of a
context_after:                 // the `self` parameter of a method call (as the terminator of our current