syntax_data: {"ast_node_type":"other","tokens":[{"end":38,"kind":"keyword","start":0,"text":")"}]}
source_snippet:     ) -> Option<Self::SwitchIntData> {
context_before:         discr: &mir::Operand<'tcx>,
context_after:         if !self.tcx.sess.opts.unstable_opts.precise_enum_drop_elaboration {