syntax_data: {"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                 // The `pretty_print_const` formatting depends on -Zverbose-internals
context_before:             ty::ConstKind::Value(cv) if cv.ty.is_integral() => {
context_after:                 // flag, so we cannot reuse it here.