syntax_data: {"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"BackendRepr::ScalarPair(s1,"}]}
source_snippet:             BackendRepr::ScalarPair(s1, s2) => {
context_before:             BackendRepr::Scalar(s) => matches!(s.primitive(), Primitive::Float(_)),
context_after:                 matches!(s1.primitive(), Primitive::Float(_))