syntax_data: {"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"\"`Scalar`"}]}
source_snippet:                     "`Scalar` type {} is newtype around non-`Scalar` type {}",
context_before:                     matches!(inner.layout.backend_repr(), BackendRepr::Scalar(_)),
context_after:                     layout.ty,