syntax_data: {"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"//!"}]}
source_snippet: //! paths, so that `a[0]` and `a[13]` could be kept distinct, while
context_before: //! (In theory, the analysis could be extended to work with sets of
context_after: //! `a[x]` would still overlap them both. But that is not this