syntax_data: {"ast_node_type":"other","tokens":[{"end":26,"kind":"keyword","start":0,"text":"//"}]}
source_snippet: // tidy-alphabetical-start
context_before: #![cfg_attr(feature = "nightly", rustc_diagnostic_item = "type_ir")]
context_after: #![allow(rustc::direct_use_of_rustc_type_ir)]