syntax_data: {"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":".eq(DefineOpaqueTypes::No,"}]}
source_snippet:             .eq(DefineOpaqueTypes::No, obligation.predicate, infer_projection)
context_before:             .at(&obligation.cause, obligation.param_env)
context_after:             .is_ok_and(|InferOk { obligations, value: () }| {