syntax_data: {"ast_node_type":"other","tokens":[{"end":29,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     // the identity response.
context_before:     // Given a list of canonical variables, construct a set of values which are
context_after:     pub fn make_identity(cx: I, infos: I::CanonicalVarKinds) -> CanonicalVarValues<I> {