syntax_data: {"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"data"}]}
source_snippet:                 data = arg_scalar_pair(cx, scalar1, scalar2, offset, data);
context_before:             if let BackendRepr::ScalarPair(scalar1, scalar2) = &layout.backend_repr {
context_after:             }