syntax_data: {"ast_node_type":"other","tokens":[{"end":45,"kind":"keyword","start":0,"text":"SourceInfo::outermost(body.span),"}]}
source_snippet:             SourceInfo::outermost(body.span),
context_before:         let assign = Statement::new(
context_after:             StatementKind::Assign(Box::new((temp, Rvalue::Discriminant(self_place)))),