syntax_data: {"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"ExprKind::OffsetOf"}]}
source_snippet:             ExprKind::OffsetOf { container, fields } => {
context_after:                 block.and(Rvalue::NullaryOp(NullOp::OffsetOf(fields), container))