syntax_data: {"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// range where the endpoints are in the wrong order. To avoid a confusing error message, we
context_before:     /// encounter a range pattern like `-130i8..2`: if we believe `eval_bits`, this looks like a
context_after:     /// check for overflow then.