syntax_data: {"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// The operand returned from this function will *not be valid* after an ExprKind::Scope is
context_before:     ///
context_after:     /// passed, so please do *not* return it from functions to avoid bad miscompiles. Returns an