syntax_data: {"ast_node_type":"other","tokens":[{"end":34,"kind":"keyword","start":0,"text":"BinOp::BitAnd,"}]}
source_snippet:                     BinOp::BitAnd,
context_before:                 Rvalue::BinaryOp(
context_after:                     Box::new((Operand::Copy(alignment_mask), max_mask)),