syntax_data: {"ast_node_type":"function","tokens":[{"end":86,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn set_expn_data(self, mut expn_data: ExpnData, ctx: impl HashStableContext) {
context_before:     #[inline]
context_after:         debug_assert_eq!(expn_data.parent.krate, LOCAL_CRATE);