syntax_data: {"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"#[cfg(not(all(target_pointer_width"}]}
source_snippet:     #[cfg(not(all(target_pointer_width = "64", target_endian = "big")))]
context_before:     // into a direct call to `u64::hash(_)`.
context_after:     pub index: DefIndex,