syntax_data: {"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// a (fake) path from each candidate to the next, specifically from candidate C's pre-binding
context_before:     /// We add false edges to act as if we were naively matching each arm in order. What we need is
context_after:     /// block to next candidate D's pre-binding block. For maximum precision (needed for deref