syntax_data: {"ast_node_type":"other","tokens":[{"end":41,"kind":"keyword","start":0,"text":"@call(mir_return,"}]}
source_snippet:             @call(mir_return, _args) => {
context_before:         parse_by_kind!(self, expr_id, expr, "terminator",
context_after:                 Ok(TerminatorKind::Return)