syntax_data: {"ast_node_type":"other","tokens":[{"end":45,"kind":"keyword","start":0,"text":"transmuted_place,"}]}
source_snippet:                             transmuted_place,
context_before:                             self.source_info(scrutinee_span),
context_after:                             Rvalue::Cast(CastKind::Transmute, Operand::Copy(place), base),