syntax_data: {"ast_node_type":"other","tokens":[{"end":24,"kind":"keyword","start":0,"text":"#[rustc_lint_opt_ty]"}]}
source_snippet:     #[rustc_lint_opt_ty]
context_before:     #[derive(Clone)]
context_after:     pub struct $struct_name { $( $( #[$attr] )* pub $opt: $t),* }