syntax_data: {"ast_node_type":"other","tokens":[{"end":44,"kind":"keyword","start":0,"text":"+"}]}
source_snippet:     + IrPrint<ty::ProjectionPredicate<Self>>
context_before:     + IrPrint<ty::ExistentialProjection<Self>>
context_after:     + IrPrint<ty::NormalizesTo<Self>>