syntax_data: {"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"//"}]}
source_snippet: // N.B., the order of the variants is from general to specific,
context_before: /// Classification of "eightbyte" components.
context_after: // such that `unify(a, b)` is the "smaller" of `a` and `b`.