syntax_data: {"ast_node_type":"other","tokens":[{"end":23,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// this candidate.
context_before:     /// Visit the leaf candidates (those with no subcandidates) contained in
context_after:     fn visit_leaves<'a>(&'a mut self, mut visit_leaf: impl FnMut(&'a mut Self)) {