syntax_data: {"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // String literal patterns may have type `str` if `deref_patterns` is enabled, in order
context_before:         (ast::LitKind::Str(s, _), ty::Str) if tcx.features().deref_patterns() => {
context_after:             // to allow `deref!("..."): String`.