syntax_data: {"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // See: <https://github.com/rust-lang/rust/pull/142317>
context_before:         // them when interning. Perf testing found this to be a modest improvement.
context_after:         if args.is_empty() {