syntax_data: {"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"#[cfg_attr(not(target_pointer_width"}]}
source_snippet: #[cfg_attr(not(target_pointer_width = "64"), derive(Hash))]
context_before: // On below-64 bit systems we can simply use the derived `Hash` impl
context_after: #[repr(C)]