syntax_data: {"ast_node_type":"other","tokens":[{"end":34,"kind":"keyword","start":0,"text":"///"}]}
source_snippet: /// of `HashingControls` settings.
context_before: /// to maintain separate versions of `ExpnData` hashes for each permutation
context_after: fn assert_default_hashing_controls(ctx: &impl HashStableContext, msg: &str) {