syntax_data: {"ast_node_type":"other","tokens":[{"end":21,"kind":"keyword","start":0,"text":")"}]}
source_snippet:                     )
context_before:                         Ok(Spanned { node: self.parse_operand(*arg)?, span: self.thir.exprs[*arg].span  } )
context_after:                     .collect::<PResult<Box<[_]>>>()?;